Advanced Math practice question

Answer: 16

2(5 + 3) = 2 × 8 = 16.

Common wrong answers

If you answered 10

10 is 2a alone.

If you answered 13

13 multiplies only the a by 2.

If you answered 28

28 computes 2 × 5 + 3 × 6 or similar; the bracket is 8.

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