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Nickels, dimes, and quarters |
2018-04-20 |
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Patti pose la question :
A copy machine accepts nickels, dimes, and quarters. After 1 hour, there are 30 coins total, and their value is $5.10. How many nickels, quarters, and dimes are in the machine? (Hint: There are exactly five different solutions.)
Penny Nom lui répond. |
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