Answer:
She makes $15.4 per hour.
Explanation:
Well if she worked for 21.5 hours and made $331.10 we can divide 331.1 and 21.5 to get the amount of money she earned per hour.
So 331.1/21.5 is 15.4$/h
15.4
if you take 331.10 and divide by the number of hours she worked,(21.5) you will get 15.4
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