SOLUTION: A collection of nickels, dimes, and quarters consist of 16 coins with a total of $1.55. 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 1012361: A collection of nickels, dimes, and quarters consist of 16 coins with a total of $1.55. If the number of dimes is equal to the number of nickels, find the number of each type of coins.
Answer by Edwin McCravy(20060)   (Show Source): You can put this solution on YOUR website!
A collection of nickels, dimes, and quarters consist of 16 coins


with a total of $1.55.


If the number of dimes is equal to the number of nickels,


So the system of equations is



Simplify the second equation by first taking away the dollar marks:



and then multiplying by 100



Substitute N for D in the first two equations:



Simplify



Now you can finish.

Edwin

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