# Penny worked 8 hour and earned $70. What is her hourly rate?

Penny's hourly rate of pay is $8.75/hour.

Her hourly rate of pay is determined by dividing her total pay by the number of hours she worked.

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So as we need 1 hour we need to change the 8 into 1.

To maintain proportionality in ratio what we do to the bottom we do to the top (for multiply and divide).

So for 1 hour (the unit) Penny earned $8.75 (unit rate)

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To find Penny's hourly rate, divide her total earnings ($70) by the number of hours she worked (8).

$70 ÷ 8 hours =$8.75 per hour

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