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Verified Answer :

RhondaSommer

volume is width times length times height. 

so you have to do the opposite. divide the volume by the width and the height to find the length.

150/7.5 = 20
20/2=10
10=length :)

evilarceus

The length is 10.

Equation:
\(7 \frac{1}{2}\) 2 l = 150

Multiply \(7 \frac{1}{2}\) and 2:
15 * l =150

Divide both sides by 15:
l = 10

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