SOLUTION: A collection of nickels, dimes, and quarters consist of 12 coins with a total of $1.25. If the number of dimes is equal to the number of nickels, find the number of each type of co
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Question 922113: A collection of nickels, dimes, and quarters consist of 12 coins with a total of $1.25. If the number of dimes is equal to the number of nickels, find the number of each type of coins.
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
n the number of nickels as well as the number of dimes
25(12-2n) + 10n + 5n = 125cents
300 - 125 = 35n
175 = 35n
175/35 = n = 5, the number of nickels as well as the number of dimes
2 Quarters
5 Dimes
5 Nickels
And...checking
2•25 + 5•10 + 5•5 = 50 + 50 + 25 = 125cents 0r $1.25
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