Select the proper placement for parentheses to speed up the addition for the expression 4 + 6 + 5

A. (5 + 6) + 4 B. (4 + 6) + 5 C. 4 + (6 + 5) D. (5 + 4) + 6

Question

10 January, 20:35

+1

Answers (2)

Know the Answer?

Terrell Bradley · Answer 1

The answer is B becuase 6+4=10 10+5=15

Isabel Saunders · Answer 2

Im guessing that by making 10 it will speed up the addition process so it should be

B since (6+4) = 10 then + 5 = 15

Select the proper placement for parentheses to speed up the addition for the expression 4 + 6 + 5A. (5 + 6) + 4 B. (4 + 6) + 5 C. 4 + (6 + 5) D. (5 + 4) + 6