SOLUTION: A vending machine takes only nickles and dimes. At the end of the day there were three times as many nickles as dimes and a total of $25. How many of each were in the machine?

Question 446558: A vending machine takes only nickles and dimes. At the end of the day there were three times as many nickles as dimes and a total of $25. How many of each were in the machine?
Answer by chriswen(106) (Show Source): You can put this solution on YOUR website!
Let x be the number of dimes.
Let 3x be the number of nickels.
...
10x+5(3x)=2500 ... the dimes are worth 10 cents and the nickels are worth 5 cents.
10x+15x=2500
25x=2500
x=2500/25
x=100
3x=300
...
Therefore, there are 100 dimes and 300 nickels.
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