Question

The speed limit on a highway is 70 miles per hour about how fast is this in miles per minute

Answer 1

$\frac { 70 \textrm{ miles}}{1 \textrm{ hour}} = \frac {70 \textrm{ miles}}{60 \textrm{ minutes}} = \frac{70}{60} \frac{\textrm{ miles}}{ \textrm{ minute}} = 1.167 \textrm{ mile per minute }$