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27 coins of quarters (25¢) and nickels (5¢) total $3.95. How many nickels are there?

 Apr 24, 2020
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n = nickels                         value = 5n

q = quarters = 27-n            value = 25 (27-n)       summed = 395

 

5n + 25(27-n) = 395    solve for n  the number of nickels =.........

 Apr 24, 2020

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