In this exercise we want to use the knowledge of economic values to identify the coins needed to pay a certain amount, thus:
Will be necessary 5 coins: 1 quarter, 2 dimes and 2 pennies.
So we know that we want to reach a value of 47 cents, this way we know that each coin is worth:
- Penny: 0.01
- Nickel : 0.05
- Dime: 0.10
- Quarter: 0.25
- Half Dollar: 0.50
With the stipulated values we will then have that:
\(0.25+0.10+0.10+0.1+0.1=0.47\)
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