Algebra practice question

Answer: 14

Let Ben be b: b + (b + 2) = 26, so b = 12 and Ana is 14.

Common wrong answers

If you answered 12

12 is Ben's age.

If you answered 13

13 halves the sum, ignoring the gap.

If you answered 24

24 is 26 − 2, forgetting to halve.

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