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It is .87 miles from your house to school. You walk 4 miles per hour. If you leave your house at 7:10am, what time will you arrive at school?

 Sep 18, 2017
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It is 0.87 miles from your house to school. You walk 4 miles per hour.

If you leave your house at 7:10am,

what time will you arrive at school?

 

\(\begin{array}{|rcll|} \hline && 0.87\, \text{miles} \times \frac{1\, \text{hour}} {4\, \text{miles}} \times \frac{60\, \text{min}} {1\, \text{hour} } \\ &=& \frac{0.87\times 60}{4}\, \text{min} \\ &=& 13.05\, \text{min} \\ \hline \end{array} \)

 

What time will you arrive at school?

\(7:10\,am + 13\, min = 7:23\,am\)

 

laugh

 Sep 19, 2017

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