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expeople1 [14]
3 years ago
5

Johnny cashless found 17 coins worth $0.21 under the couch. which coins did he find?

Mathematics
1 answer:
lyudmila [28]3 years ago
7 0
17 coins is a lot for so little money. What if they all were pennies? Then we would have 17¢, 4¢ away from what we need. Changing one penny to a nickel adds four cents to our total (minus one cent from the penny, plus five from the nickel equals 4) So he found 16 pennies and one nickel.
penny = 1¢
nickel= 5¢
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