# SOLUTION: Mary changed a one-dollar bill for 14 coins made up of nickels and dimes. How many coins of each kind did she receive?

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 Question 57080: Mary changed a one-dollar bill for 14 coins made up of nickels and dimes. How many coins of each kind did she receive?Answer by tutorcecilia(2152)   (Show Source): You can put this solution on YOUR website!.05(x)+.10(14-x)=1.00 .05x+1.4-.10x=1.00 -.05x=-.40 x=8 (nickles) Dimes = 14-x=14-8=6 . Check by plugging the values back into the original equation. (.05)(8)+(.10)(14-8)=1.00 1.00=1.00