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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$$18/\text{hour}$

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$\text{Pay hours}$	$= 9+4\times 1.5$
	$=15$

$\text{Earnings for 1 hour}$	$=\dfrac{270}{15}$
	$=$18$

$\therefore \text{Brin earns}\ $18\ \text{in 1 hour.}$

\(\text{Pay hours}\)	\(= 9+4\times 1.5\)
	\(=15\)

\(\text{Earnings for 1 hour}\)	\(=\dfrac{270}{15}\)
	\(=$18\)