Question

How should you group the following expression to make it easiest to add? 18 − 949 + 79 − 8

A. (18 − 9 − 8) + (−4/9 + 7/9)

B. (18 − 8 − 9)

C. (8 − 18) + (4/9 + 7/9)

D. (18 − 8) + (−9 4/9 + 7/9)

Answer 1

The correct grouping to make it easiest to add is:

B. (18 − 8 − 9)

By grouping the subtraction terms together, it simplifies the expression and makes it easier to add.