Question

Blake ran three miles for his workout today. He ran the first mile in 7.2 minutes, the second mile in 7.35 minutes, and the third mile in 7.5 minutes. What was his total time for the three miles?

8.82 minutes

22.05 minutes

21.15 minutes

21.05 minutes

Answer 1

22.05 minutes

7 + 7 + 7 = 21
.2 can be rounded to .20 and .5 to .50
.20 + .35 + .50 = 1.05
21 + 1.05 = 22.05

Answer 2

22.05 minutes

Explanation:

7.2 + 7.35 + 7.5 = 22.05 minutes