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

@Adjax can you please help me?

Answer 2

C. [(3 • 4) – 2] + (5 + 7)

Answer 3

Choice C

Answer 4

@wormie2014:: C:

\[[(3 \times 4) -2] + (5+7) = [12 -2] + 12 = 10 + 12 = 22\]

Remember that '.' = x(multiplication symbol)