A boat can travel 511 kilometers on 102.2 liters of gasoline. how far can it travel on 91.3 liters?

1 answer:

5 0

$\bf \begin{array}{ccll}
km s&liters\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
511&102.2\\
k&91.3
\end{array}\implies \cfrac{511}{k}=\cfrac{102.2}{91.3}\implies \cfrac{511\cdot 91.3}{102.2}=k$

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