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11-03-2019
Mathematics

contestada

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

Respuesta :

11-03-2019

C. 190

Round each number

55→60.

60→60

65→70

Then add all of your rounded numbers.

60+60+70=190

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