220k views
2 votes
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?

1 Answer

3 votes

Answer:

9 ways

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
User Andrei Aulaska
by
7.8k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.