Answer:
She makes $ 144 for 9 hours of work.
Explanation:
A simple rule of three:
If 288 for 18 then
X for 9
X = (9*288)/18
X = 2592/18
X = 144
We apply the rule of three:
Payment---------------------time
$288--------------------------18
x-----------------------------9
First multiply 288 by 9, and then divide by 18, so:
Therefore, Debora would earn $144 for 9 hours of work.
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