SOLUTION: My question is: A coin bank contains 25 coins in nickels, dimes, and quarters. There are four times as many dimes as quarters. The value of the coins is $2.05. how many dimes are i
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Question 431868: My question is: A coin bank contains 25 coins in nickels, dimes, and quarters. There are four times as many dimes as quarters. The value of the coins is $2.05. how many dimes are in the bank? I came up with n+ n+4+ n= 25. Please help me..... Answer by mananth(16946) (Show Source):
You can put this solution on YOUR website! quarters = x
dimes =4x
Nickels = 25- (x+4x)= 25-5x
25x+10*4x+5(25-5x)=205
25x+40x+125-25x=205
40x=205-125
40x=80
x=2 quarters = 50 cents
dimes = 4 8 coins = 80 cents
nickels = 25-5x= 25-10=15= 15*5=75 cents
50+80+75=205 cents = $2.05
