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OpenStudy (anonymous):
Janet has three times as many dimes as nickels and twice as many quarters as nickels. If she has $3.40 in all, how many nickels, dimes, and quarters does she have? I Got 5n+30n+50n=340 Is This correct?
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OpenStudy (anonymous):
\[ Let \ \ \ Nickels = n \\ Quarters =2n \\ Dimes = 3n \\ 50n + 30n + n = 340 \\ 85n = 340 \\ n = 4 \\\\ So \\ Nickels \ = 4 \\ Quarters \ = \ 2n = 8 \\ Dimes = \ 3n = 12 \]
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