SOLUTION: Paul earns $9 per hour. How many hours must Paul work to earn at least $645.

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Question 514569: Paul earns $9 per hour. How many hours must Paul work to earn at least $645.
Answer by nerdybill(6951) About Me  (Show Source):
You can put this solution on YOUR website!
Paul earns $9 per hour. How many hours must Paul work to earn at least $645.
Let h = number of hours worked
then
9h >= 645
h >= 645/9
h >= 71.67 hours
answer is 72 hours