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Choices:
We could try dividing 13 by a bunch of values until we stumbled on the right answer, but let's try working backwards, instead. Start with choice (C): when 13 is divided by 5, is the remainder 5 - 2 = 3? Yes, it is: 13 divided by 5 is 2, remainder 3. Choice (C) is the correct answer.If choice (C) had not been correct, we would have tried the other answer choices until we landed on the right one, and we still probably would have saved time over a hit-and-miss approach.
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