SOLUTION: Kendra has $4.20 in dimes and nickels. If she has 3 times as many dimes as nickels, how many of each coin does she have?
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Question 904626: Kendra has $4.20 in dimes and nickels. If she has 3 times as many dimes as nickels, how many of each coin does she have?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
5n+10d=420
n+2d=84
3n=d
3n-d=0
n+2d=84
3,-1,0
1.2,0
(12n,36d)
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