Tammy has begun an exercise program. She worked out five days the first week for 28 minutes, 32 minutes, 21 minutes, 38 minutes and 42 minutes. Round each amount to the nearest 10 to find an estimate of the total number of minutes Tammy exercised during the week.

A. 110 min.

B. 140 min.

C. 160 min.

D. 190 min.

Question

Case

Mathematics

10 July, 18:59

Tammy has begun an exercise program. She worked out five days the first week for 28 minutes, 32 minutes, 21 minutes, 38 minutes and 42 minutes. Round each amount to the nearest 10 to find an estimate of the total number of minutes Tammy exercised during the week.

A. 110 min.

B. 140 min.

C. 160 min.

D. 190 min.

+2

Answers (2)

Know the Answer?

Lamar Hood · Answer 1

The answer is D

Kenley Church · Answer 2

28 rounds up to 30.

32 rounds down to 30.

21 rounds down to 20.

38 rounds up to 40.

42 rounds down to 40.

30 + 30 + 20 + 40 + 40 = 160

Answer: C. 160 min