SOLUTION: a waiter works 40 hours in order to earn $640 assuming the same rate of pay per hour calculate how much she will ear in 15 hours

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Question 400367: a waiter works 40 hours in order to earn $640 assuming the same rate of pay per hour calculate how much she will ear in 15 hours
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
40/640=15/x
40x=9600
x=$240