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Tammy wants to get change for $1. The only coins she can get are half dollars, quarters, and nickels. How many diferent ways can she get $1 using only these coins?

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sqdancefan

Answer:

  9 ways

Step-by-step explanation:

Using H, Q, N to represent half-dollars, quarters, and nickels, Tammy can get her change any of these ways:

  1. HH
  2. HQQ
  3. HQNNNNN
  4. HNNNNN.NNNNN
  5. QQQQ
  6. QQQNNNNN
  7. QQNNNNN.NNNNN
  8. QNNNNN.NNNNN.NNNNN
  9. NNNNN.NNNNN.NNNNN.NNNNN

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