Question

Bill wrote this expression in his notebook.

Where could he place brackets for the value of the expression to be equal to 33?

A.
10 − 4 + [3 × 18 − 9]
B.
10 − 4 + 3 × [18 − 9]
C.
[10 − 4] + 3 × 18 − 9
D.
[10 − 4 + 3] × 18 − 9

Answer 1

B. 10- 4 +3 x (18-9)

Answer 2

Bill should put the brackets around 18-9 so the correct answer is option B. 10- 4 +3 x (18-9)