Algebra practice question

Answer: 6

h + p = 10 and h = p + 2 give 2p + 2 = 10, so p = 4 and h = 6.

Common wrong answers

If you answered 4

4 is the number of paperbacks.

If you answered 5

5 and 5 differ by 0.

If you answered 8

8 and 2 differ by 6, not 2.

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