The bus Benito takes to work averages 15 miles per hour in rush-hour traffic. In all he has about \(7\frac{1}{2}\) miles to travel. About how many hours does it take him to get to work?

\(\frac{1}{2}\)

Explanation

Use the formula t = d ÷ r. Put \(7\frac{1}{2}\) in place of d and put 15 in place of r.
 \(t=7\frac{1}{2} \div 15\) 
\(t=\frac{15}{2} \div \frac{15}{1}\)
\(t=\frac{15}{2} \times \frac{1}{15} = \frac{1}{2} \times \frac{1}{1}= \frac{1}{2}\)
It took Benito about \(\frac{1}{2}\) hour to get to work.

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