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 ha

Question 1000037: 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?

Answer by ikleyn(52802) (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 = 1920/60 = 32.

Answer. Number of dimes is 32.

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