Question

A car has a gas tank that holds 12.5 U.S. gal. Using the conversion factors from the inside front cover, (a) determine the size of the gas tank in cubic inches. (b) A cubit is an ancient measurement of length that was defined as the distance from the elbow to the tip of the finger, about 18 in. long. What is the size of the gas tank in cubic cubits?

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$\textbf{Given: }$

The size of the car's tank is $12.5 \mathrm{~U.S.gal}$. We know that $1 \mathrm{~U.S.gal} = 3.79 \mathrm{~L}$. Also, we know that $1 \mathrm{~L} = 61.024 \mathrm{~in^{3} }$. The cubit is $cubit = 18 \mathrm{~in}$.

$\textbf{Required: }$

(a) Finding the size of car's tank in cubic inches.

(b) Finding the size of car's tank in cubic cubits.

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