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| PAGE: 273 | SET: Exercises | PROBLEM: 30 |
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.
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