SOLUTION: could you show me how to set this problem up. A collection of nickels, dimes and quarters totals $3.40. the total number of coins is 32, and there are twice as many dimes as quarte

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Question 362991: could you show me how to set this problem up. A collection of nickels, dimes and quarters totals $3.40. the total number of coins is 32, and there are twice as many dimes as quarters. how many of each are there.

Thank you!!
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
quarters------------dimes----------nickels
x------------------2x--------------32-3x
value = 340 cents total 32 coins ::: dimes & quarters = 3x
...
25x+10*2x+5(32-3x)=340
25x+20x+160-15x=340
30x=340-160
30x=180
/30
x=6 quarters
...
dimes = 2x= 12
nickels = 32-3x= 14
...
m.ananth@hotmail.ca
...