Question

Aubrey can walk 4 1/2 miles in 1 1/2 hours. Find her average in miles per hour.

Answer 1

3

Explanation:

Convert to improper fractions:

4 1/2 = 9/2

1 1/2 = 3/2

Find the reciprocal:

9/2 / 3/2 = 9/2 x 2/3

Multiply:

9/2 x 2/3 = 18/6

Simplify:

18/6 = 3