Question

Amelia inserted parentheses to the numerical expression 12 ÷ 2 + 4 × 3 + 5 so that the value of her expression was 16. Which of the following shows where Amelia inserted the parentheses?

A. 12 ÷ 2 + 4 × (3 + 5)
B. 12 ÷ (2 + 4) × 3 + 5
C. 12 ÷ 2 + (4 × 3) + 5
D. 12 ÷ (2 + 4) × (3 + 5

Answer 1

D. 12 ÷ (2 + 4) × (3 + 5)

Explanation:

12 ÷ (2 + 4) × (3 + 5)

⇒ 12 ÷ 6 × 8

⇒ 2 × 8

⇒ 16