SOLUTION: A number of dimes, three times as many pennies as dimes, and a number of quarters which is 18 less than twice the number of pennies are worth $34.62. How many of each coin are the

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Question 1157005: A number of dimes, three times as many pennies as dimes, and a number of quarters which is 18 less than twice the number of pennies are worth $34.62. How many of each coin are there?
Found 2 solutions by Boreal, josgarithmetic:
Answer by Boreal(15235) (Show Source):
You can put this solution on YOUR website!
x=dimes
3x=pennies
6x-18= quarters
the money equation
.10(x)+(.01)(3x)+(.25)(6x-18)=34.62
.10x+.03x+1.5x-4.5=34.62
1.63x=39.12
x=24 dimes ($2.40)
3x=72 pennies
6x-18=126 quarters ($31.50)

Answer by josgarithmetic(39625) (Show Source):
You can put this solution on YOUR website!
d dimes
3d pennies
2*3d-18 quarters

Amount of money $34.62, or 3462 cents.
Enough information for one equation in just one variable.

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