SOLUTION: A person changed $10 at a bank into nickels, dimes and quarters. There were twice as many dimes as nickels and three times as many quarters as nickels. How many nickels and dimes w

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Question 255217: A person changed $10 at a bank into nickels, dimes and quarters. There were twice as many dimes as nickels and three times as many quarters as nickels. How many nickels and dimes were there? What is the value of the quarters?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
5n+25q+10d=1000
q=3n
d=2n
5n+25*(3n)+10*2n=1000
5n+75n+20n=1000
100n=1000
n=10 nickels=$.50
q=3*10=30 quarters
d=2*10=20 dimes=$2.00
quarters value =30*25=$7.50