Algebra practice question

Answer: 15

Adding x + y = 8 and x − y = 2 gives 2x = 10, x = 5, y = 3. Product: 15.

Common wrong answers

If you answered 3

3 is the smaller number alone.

If you answered 5

5 is the larger number alone.

If you answered 16

16 is 8 × 2, multiplying the sum and difference.

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