Algebra practice question

Answer: 4

4x ≤ 16 gives x ≤ 4, so x can be 1, 2, 3, or 4.

Common wrong answers

If you answered 3

3 leaves out x = 4, but 4(4) + 3 = 19 is allowed.

If you answered 5

5 gives 4(5) + 3 = 23, which is too large.

If you answered 16

16 is 4x, not a count.

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