Question 243012
We know start with what is given:
A = L*W = 60
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Pick a side to set = 5.
L = 5
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So W has to be 60/5 = 12
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Be careful to answer the asked question, which refers to 'x'.
x = 12
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Now check your work.
Is one side 5?  Yes.
Is the area 60? Yes.
Done.