$\"\"$

The equation is $\"\"$ .

To convert miles per hour to feet per hour, multiply the rate by a conversion factor. There are 5280 foot in 1 mile, so $\"\"$ .

$\"\"$ (Write LHS)

$\"\"$ (Multiply rate by conversion factor)

$\"\"$ (Apply rule for multiplying fractions) \ \

$\"\"$ (Divide out common factor and unit)

$\"\"$ (Multiply: $\"\"$ and $\"\"$ ) $\"\"$

The solution is 79200 $\"\"$ .