Rates, SM-Bank 003

Write each of the following as a rate in simplified form.

$136 for every 8 hours worked (1 mark)

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$171 000 to purchase 3 cars (1 mark)

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112 millimetres of rain in 14 days (1 mark)

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Show Answers Only

a. \($17/ \text{hour}\)

b. \($57\ 000/\text{car}\)

c. \(8\ \text{mm}/\text{day}\)

Show Worked Solution

a.	\($136/8\ \text{hours}\)	\(=\dfrac{$136}{8}/\dfrac{8}{8}\ \text{hours}\)
		\(=$17/\text{hour}\)

b.	\($171\ 000/3\ \text{cars}\)	\(=\dfrac{$171\ 000}{3}/\dfrac{3}{3}\ \text{cars}\)
		\(=$57\ 000/\text{car}\)

c.	\(112\ \text{mm}/14\ \text{days}\)	\(=\dfrac{112}{14}\ \text{mm}/\dfrac{14}{14}\ \text{days}\)
		\(=8\ \text{mm}/\text{day}\)