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GoinMyWay
To find Matthew's hourly rate, you would divide $102 by 8.5. His hourly rate is $12. Then multiply by 19 hours, and the answer is $228.
apologiabiology
ratio and proprtion

time:hours=8.5:102
8.5/102=19/x
cross mutiply
8.5x=1938
divide both sides by 8.5
x=228

he earns $228

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