Joy is travelling at 42 km/h on her racing bike.
If she maintains this speed, how many kilometres will she travel in 50 minutes? (2 marks)
Rates, SM-Bank 035
Billy Bob is travelling at 120 km/h in his car.
If he maintains this speed, how many kilometres will he travel in 40 minutes? (2 marks)
Rates, SM-Bank 034
Aurora works part time in a donut shop.
On weekends, she earns 2.5 times as much per hour as she earns on weekdays.
One week, she works 14.5 hours on weekdays and 3 hours on the weekend.
Her pay for the week was $319.
How much does she earn in 1 hour on a weekday? (2 marks)
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Rates, SM-Bank 033
Fleur works part time in a flower shop.
On weekends, she earns 2 times as much per hour as she earns on weekdays.
One week, she works 23 hours on weekdays and 1.5 hours on the weekend.
Her pay for the week was $351.
How much does she earn in 1 hour on a weekday? (2 marks)
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Rates, SM-Bank 032
Fanny works part time at Guzman y Gomez.
On weekends, she earns 1.5 times as much per hour as she earns on weekdays.
One week, she works 12 hours on weekdays and 8 hours on the weekend.
Her pay for the week was $414.
How much does she earn in 1 hour on a weekday? (2 marks)
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Rates, SM-Bank 031
Clay has a casual job at the local movie cinema.
On weekends, he earns 1.5 times as much per hour as he earns on weekdays.
One week, he works 20 hours on weekdays and 6 hours on the weekend.
His pay for the week was $498.80.
How much does he earn in 1 hour on a weekday? (2 marks)
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Rates, SM-Bank 030
Betty works part time in a clothing shop.
On weekends, she earns 2 times as much per hour as she earns on weekdays.
One week, she works 15 hours on weekdays and 3 hours on the weekend.
Her pay for the week was $367.50.
How much does she earn in 1 hour on a weekday? (2 marks)
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Rates, SM-Bank 029
Brin works part time in a coffee shop.
On weekends, he earns 1.5 times as much per hour as he earns on weekdays.
One week, he works 9 hours on a weekday and 4 hours on the weekend.
His pay for the week was $270.
How much does he earn in 1 hour on a weekday? (2 marks)
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Rates, SM-Bank 028
John's old tractor used 8.3 litres of fuel per 100km.
His new tractor uses 5.9 litres of fuel per 100 km.
John pays $2.15 per litre for fuel and drives 20,000 km each year.
How much money will John save on fuel each year with his new tractor? (2 marks)
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Rates, SM-Bank 027
One litre of softdrink contains 90 grams of sugar.
How many millilitres of softdrink contain 4.5 grams of sugar? (2 marks)
Rates, SM-Bank 026
Kurt is travelling from Newcastle to Sydney. The journey is 165 kilometres.
His car uses 8.35 litres of fuel per 100 kilometres.
How much fuel will Kurt need to make the journey?
Round your answer to the nearest litre. (2 marks)
Rates, SM-Bank 025
A laundromat can wash 12 loads of laundry in one hour at full capacity.
A standard load of laundry weighs 7 kilograms.
Here is some information about two different washing machines.
| Washing machine |
Amount of water used per |
|---|---|
| Top loader | 10.25 |
| Front loader | 6.5 |
Working at full capacity, how many litres of water would the laundromat expect to save in one hour by using the front loader instead of the top loader? (2 marks)
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Rates, SM-Bank 024
Gary used 4 litres of paint to paint a wall.
The wall was a rectangle 2 metres high and 3 metres wide.
How many litres of paint would he need to paint a rectangular wall which is 3 metres high and 5 metres wide? (2 marks)
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Rates, SM-Bank 023
Genghis and Kublai are shooting arrows at a target.
Genghis shoots an arrow every 3 seconds.
Kublai shoots an arrow every 8 seconds.
They shoot their first arrow together at 10:00 am.
How many more times will they shoot arrows at exactly the same time in the next 3 minutes? (2 marks)
Rates, SM-Bank 022
Patrick uses 25 litres of water every minute when he has a shower.
Kate uses 150 litres of water when she has a bath.
How many fewer litres of water does Patrick use in his 5½ minute shower than Kate does in her bath? (2 marks)
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Rates, SM-Bank 021
Kate buys a new computer.
The disk in its hard drive makes 120 full turns every second.
How many minutes will it take for the disk to make 324 000 full turns? (2 marks)
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Rates, SM-Bank 020
Petrol costs 225.5 cents per litre.
How much, in dollars and cents, does 86 litres of petrol cost? (2 marks)
Rates, SM-Bank 019
It takes Kate 15 seconds to place a brochure in an envelope and seal it.
How many minutes will it take her to pack and seal 42 envelopes? (2 marks)
Rates, SM-Bank 018
A solar panel grid on a school roof produces an average of 8.6 kWh of energy per day.
How much energy will the grid produce for the school on average over 7 days? (2marks)
Rates, SM-Bank 017
Constance used 300 grams of sugar to make 12 brownies.
How many grams of sugar will she need to make 18 brownies? (2 marks)
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Rates, SM-Bank 016
Riley lives 3 km from the park.
He jogs at a constant speed of 10 km per hour.
How many minutes does it take for Riley to get to the park? (2 marks)
Rates, SM-Bank 015
Fleur lives 15 kilometres from her work.
On Wednesday, she drove to work and averaged 60 kilometres per hour.
On Thursday, she took the bus which averaged 15 kilometres per hour.
What was the extra time of the bus journey, in minutes, compared to when she drove on Wednesday? (2 marks)
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Rates, SM-Bank 014
A brewery can make 1250 cans of ale and 900 cans of lager per hour.
The brewery runs non-stop and each can weighs 350 grams.
How many kilograms of ale and lager, altogether, does the brewery make in 1 full day? (2 marks)
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Rates, SM-Bank 013
Johnno was standing 300 metres away from the stage at a rock concert.
If the sound travelled at 330 metres per second from the stage, how many seconds did the sound take to get to Johnno? Give your answer correct to 2 decimal places. (2 marks)
Rates, SM-Bank 012
Rhonda rode her hovercraft at a speed of 5 metres per second.
If she rode for 3 minutes, how far did she go? (2 marks)
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Rates, SM-Bank 011 MC
In a science experiment, Albert needs to add 60 millilitres of acid to every 2 litres of water.
If Albert only has 0.5 litres of water left, how many millilitres of acid should he add?
- 0.15 mL
- 0.6 mL
- 15 mL
- 30 mL
Rates, SM-Bank 010 MC
A tram at the zoo does a complete 5 kilometre loop in 30 minutes.
If the tram travelled at the same speed, how long did it take to complete 2 kilometres?
- 8 minutes
- 12 minutes
- 18 minutes
- 24 minutes
Rates, SM-Bank 009 MC
Sid is selling bike tyre tubes at a market stall.
He makes $54 from selling 6 bike tyre tubes.
All bike tyre tubes cost the same.
How much will Sid make if he sells 11 bike tyre tubes?
- $65
- $83
- $99
- $108
Rates, SM-Bank 008
Bryce organises parking for major events in the city.
He has open air parking spaces for 3 cars on every 27 square metres of land.
How many cars could Bryce park on 4680 square metres? (2 marks)
Rates, SM-Bank 007
A young echidna weighed 1200 grams at the beginning of November just before leaving the burrow.
At the end of March it weighed 1850 grams.
Calculate the average rate of growth of the echidna for the 5 month period. (2 marks)
Rates, SM-Bank 006
Pete travelled 646 kilometres and used 76 litres of fuel.
- Express Pete's average fuel consumption in:
i. litres per 100 kilometres, giving your answer rounded to 1 decimal place. (2 marks)
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ii. kilometres per litre. (1 mark)
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- If Pete's average fuel consumption remained the same, how many litres of fuel would he use to travel 272 kilometres? (2 marks)
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Rates, SM-Bank 005
A tree was 143 cm tall at the beginning of January. At the end of May it measured 233 cm tall.
- Calculate the average rate of growth of the tree for the 5 month period. (2 marks)
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- If this rate of growth were to continue, how many more months would it take the tree to reach a height of 611 cm? (2 marks)
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Rates, SM-Bank 004
All the water has leaked from a 10 litre bucket in 20 minutes.
- Calculate the leaking rate in litres/minute. (1 mark)
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- How long would it take to empty a 12 litre bucket at the same rate? (2 marks)
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Rates, SM-Bank 001 MC
Scott owns a sheep station.
He keeps 4 sheep on every acre of the property.
How many acres would he need for 12 sheep?
- 3
- 4
- 6
- 48