what fraction of a mile represented by 440 feet

Question

there are 5280 feet in a mile.what fraction of a mile represented by 440 feet.

Answer 1

Dimensional analysis:

 

Begin with given: 440 feet

 

Multiply by conversion factor that is TRUE and have units of given in denominator:

 

440 ft x 1 mile/5280 ft = .083333etc.

 

As a fraction:  440/5280 = 220/2640 = 110/1320 = 55/660 = 11/132 = 1/12