SOLUTION: A box of coins contains a total of 26:00 in nickels, dimes, and quarters. If there is the same number of nickels as dimes, but twice as many quarters as nickels, how many dimes are

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Question 279152: A box of coins contains a total of 26:00 in nickels, dimes, and quarters. If there is the same number of nickels as dimes, but twice as many quarters as nickels, how many dimes are in the box?
(A) 26 (B) 30 (C) 34 (D) 40 (E) 50
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
let the number of nickels be x
Number of dimes = x

quarters = 2x
5x+10x+25*2x=2600
65x=2600
x=40
Nickels and dimes = 40 numbers