SOLUTION: Two-thirds of the coins in my jar are quarters. The rest are dimes. Each quarter is worth 25 cents, and each dime is worth 10 cents. The total is $19.20. How many dimes do I have?

Question 1000039: Two-thirds of the coins in my jar are quarters. The rest are dimes. Each quarter is worth 25 cents, and each dime is worth 10 cents. The total is $19.20. How many dimes do I have?
Found 2 solutions by ikleyn, MathTherapy:
Answer by ikleyn(52786) (Show Source): You can put this solution on YOUR website!

Let x = number of dimes. Then the number of quarters is 2x. The balance equation is 2x*25 + 10x = 1920. Simplify and solve it: 50x + 10x = 1920, 60x = 1920, x = = 32. Answer. Number of dimes is 32.

Answer by MathTherapy(10552) (Show Source): You can put this solution on YOUR website!

Two-thirds of the coins in my jar are quarters. The rest are dimes. Each quarter is worth 25 cents, and each dime is worth 10 cents. The total is $19.20. How many dimes do I have?

Number of dimes:
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