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Number, NAP-D4-CA05

Peter fills his petrol tank until it is 80% full.

Which dial below is Peter's fuel dial?
 

 
 
 
 
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`text(Each interval represents 25% of the fuel tank.)`

Filed Under: Percentages, Percentages Tagged With: Band 5, smc-3147-50-Graphs and percentages, smc-901-50-Graphs and percentages

Number, NAP-F3-CA16

Kat went on holiday and spent her money on accomodation, meals and shopping.

She spent $1200 in total and the pie chart below shows how she spent it.
 

 
How much money did Kat spend on meals on her holiday?

`$260` `$360` `$300` `$540`
 
 
 
 
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`$300`

Show Worked Solution

`text(Money spent on shopping)`

`= 30text(%) xx 1200`

`=$360`

`:.\ text(Money spent on meals)`

`=1200 – (540+360)`

`=$300`

Filed Under: Data and Interpretation, Data and Statistics (7), Financial Maths, Financial Maths, Percentages, Percentages Tagged With: Band 7, smc-3144-50-Other problems, smc-3147-50-Graphs and percentages, smc-3166-14-Pie charts, smc-674-14-Pie charts, smc-900-50-Other problems, smc-901-50-Graphs and percentages

Number, NAP-F3-CA08

The shaded area on this graph shows how much of a computer file has loaded.
 

 

 
What percentage of the file has loaded?

`text(65%)` `text(70%)` `text(75%)` `text(80%)`
 
 
 
 
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`text(75%)`

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`text(Total number of bars) = 20`

`text(Number of black bars) = 15`

`:.\ text(Percentage loaded)` `= 15/20`
  `=0.75`
  `=75text(%)`

Filed Under: Percentages, Percentages Tagged With: Band 6, smc-3147-50-Graphs and percentages, smc-901-50-Graphs and percentages

Number, NAP-F3-NC05

A circle is divided into 5 equal areas and labelled, as shown in the diagram below.
 

 
What percentage of the circle's area has been labelled with an odd number?

`text(3%)` `text(15%)` `text(30%)` `text(40%)` `text(60%)`
 
 
 
 
 
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`text(60%)`

Show Worked Solution

`text(S)text(ince all areas are equal,)`

`text(Percentage labelled with an odd number)`

`=text(odd sections)/text(total sections)`

`=3/5`

`=60text(%)`

Filed Under: Percentages Tagged With: Band 6, smc-901-50-Graphs and percentages

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