SOLUTION: Mary has $2.40 in dimes and nickels. If she has 15 more dimes than nickels, how many of each coin does she have?
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Question 445998: Mary has $2.40 in dimes and nickels. If she has 15 more dimes than nickels, how many of each coin does she have?
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
5n+10(n+15)=240
15n+150=240
15n=90
n=6
d=21
Mary has 6 nickels and 21 dimes..
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