Question

Which of the following is the estimated sum of fifty-five, sixty, and sixty-five using compatible numbers?

A. 170
B. 180
C. 190
D. 200

Answer 1

Answer:190

Explanation:

here

Answer 2

C. 190

Round each number

55→60.

60→60

65→70

Then add all of your rounded numbers.

60+60+70=190