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OpenStudy (anonymous):
Help please Mary has $4.00 in nickels, dimes, and quarters. If she has twice as many dimes as quarters and forty-seven more nickels than dimes, how many coins of each type does she have?
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OpenStudy (anonymous):
I just need the answer please
OpenStudy (anonymous):
Solve the following for n, d and q, the number of nickles, dimes and quarters.\[\left\{5n+10d+25q=400,\frac{d}{q}=2,d=n-47\right\}\]\[\{n=53,d=6,q=3\} \]
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