SOLUTION: Mary has $3.00 nickels, dimes and quarters. If she has twice as many as dimes as quarters and five more nickels than dimes, how many coins of each type does she have?

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Question 906470: Mary has $3.00 nickels, dimes and quarters. If she has twice as many as dimes as quarters and five more nickels than dimes, how many coins of each type does she have?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
15 nickels = $0.75
10 dimes = $1.00
5 quarters = $1.25
n+10*d+25*q=v and
d=2*q and
n=d+5