Exercise: Coin Math Problem

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Problem Statement

Two US coins add up to 30 cents. One of them is not a nickel. Nickel means 5 cents. What are the two coins?

US Coins

For those who may not be familiar with US currency, here are the denominations of US coins:

  • $0.01 (Penny)
  • $0.05 (Nickel)
  • $0.10 (Dime)
  • $0.25 (Quarter)

Initial Thoughts

A natural first thought might be to add 25 cents (a quarter) and 5 cents (a nickel) to make 30 cents. However, the problem states that one of the coins is not a nickel.

Clue

The problem is described as tricky, so think carefully about the wording and the possible solutions.

Challenge

Try to solve this problem on your own. Reflect on the clue provided and see if you can determine the two coins that add up to 30 cents, given that one of them is not a nickel.

Next Steps

The answer to this problem will be provided in the next video. Good luck!