SOLUTION: condi has $5 dollars in her change purse. She only has quarters, nickels and dimes. The number of dimes is equal to the number of quarters and the number of quarters is 1/3 the num

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Question 1079854: condi has $5 dollars in her change purse. She only has quarters, nickels and dimes. The number of dimes is equal to the number of quarters and the number of quarters is 1/3 the number of nickels. How many dimes?
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39618)   (Show Source): You can put this solution on YOUR website!
q, d, n for quarters, nickels, dimes








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30 nickels
10 dimes
10 quarters
Answer by MathTherapy(10552)   (Show Source): You can put this solution on YOUR website!

condi has $5 dollars in her change purse. She only has quarters, nickels and dimes. The number of dimes is equal to the number of quarters and the number of quarters is 1/3 the number of nickels. How many dimes?
Let the number of dimes be D

Then the number of quarters = D

Number of nickels = 3D

We then get: .1D + .25D + .05(3D) = 5

.1D + .25D + .15D = 5

.5D = 5

D, or number of dimes =  

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