Question

Which placement of grouping symbols in the expression gives it a value of 22?
3 • 4 – 2 + 5 +7

A.
3 • [4 – (2 + 5) + 7]

B.
(3 • 4) – [2 + (5 + 7)]

C.
[(3 • 4) – 2] + (5 + 7)

D.
3 • (4 – 2) + (5 + 7)

Answer 1

@triciaal

Answer 2

@beckyg111

Answer 3

Don't expect to get direct answers from us, at least try to cooperate when we want to help.

Answer 4

i am

Answer 5

@paki

Answer 6

If you can't take a hint then just bust out a calculator and solve each option using PEMDAS.

Answer 7

c

Answer 8

its c?

Answer 9

yes correct

Answer 10

Yeah.

Answer 11

ok

Answer 12

http://www.wolframalpha.com/input/?i=%5B%283+%E2%80%A2+4%29+%E2%80%93+2%5D+%2B+%285+%2B+7%29

Answer 13

im sure

Answer 14

None of the new groupings affect the original equation.

Answer 15

ok thx