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2015 AMC 10A Problem 13

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2015 AMC 10A Problem 13AMC 10 Step by Step
Name:                             Date: September 13, 2026
Basic Counting · difficulty 3 of 5 · about 4 min · position P11-15

Claudia has 12 coins, each of which is a 5-cent coin or a 10-cent coin. There are exactly 17 different values that can be obtained as combinations of one or more of her coins. How many 10-cent coins does Claudia have?

  1. A)

    33

  2. B)

    44

  3. C)

    55

  4. D)

    66

  5. E)

    77

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