Question

If carol travels 30 miles and her car averages 48 miles per hour, how long will it take carol to complete the distance?

Answer 1

It will take 37 min and 30 sec for Carol to complete the distance.

Answer 2

`\bf \begin{array}{ccll} miles&hours\\ \cline{1-2} 48&1\\ 30&x \end{array}\implies \cfrac{48}{30}=\cfrac{1}{x}\implies \cfrac{8}{5}=\cfrac{1}{x}\implies 8x=5 \\\\\\ x=\cfrac{5}{8}\qquad \textit{37 minutes and 30 seconds}`