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?
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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):
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.
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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?
