SOLUTION: a donation box contains 30 coins consisting of nickels, dimes, and quaters. the number of dimes is 4 more than twice the number of quaters. if the total value of coins is $2.60, ho

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Question 228355: a donation box contains 30 coins consisting of nickels, dimes, and quaters. the number of dimes is 4 more than twice the number of quaters. if the total value of coins is $2.60, how much coins of each type are there?
Answer by Edwin McCravy(20056)   (Show Source): You can put this solution on YOUR website!
a donation box contains 30 coins consisting of nickels, dimes, and quaters. the number of dimes is 4 more than twice the number of quaters. if the total value of coins is $2.60, how much coins of each type are there?


Solve that system and get

N=17, D=10, Q=3

Edwin

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