3 years ago

your are traveling down an interstate averaging 50mph how much time has passed when you have traveled 120 miles

1 answer:

4 0

$\bf \begin{array}{ccll}
miles&hours\\
\cline{1-2}
50&1\\
120&h
\end{array}\implies \cfrac{50}{120}=\cfrac{1}{h}\implies h=\cfrac{120\cdot 1}{50}\implies \stackrel{\textit{2 hours and 24 minutes}}{h=2.4}$

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