Advanced Math practice question

Answer: 4

2ᵃ · 2ᵇ = 2^(a + b), so a + b = 7. With a − b = 1, adding gives 2a = 8, a = 4.

Common wrong answers

If you answered 3

3 is b.

If you answered 7

7 is a + b.

If you answered 3.5

3.5 is half of 7, ignoring the difference.

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