Question

Susan ran 5 laps that are each 8/10 mile. How many miles did she run in all?

Answer 1

5/1·8/10=4 miles

Explanation:

5 laps each 8/10 miles. 5 times 8/10, you turn the 5 into 5/1. 5/1 times 8/10 equals 40/10 which reduced equals 4.

Answer 2

8/10 = 0.8
0.8 x 5 =4
4 miles