SOLUTION: "Emily has nickels, dimes, and quarters in her piggy bank. She has twice as many dimes as nickels and 12 fewer quarters than dimes. The total value of the coins is $9. How many of

Question 502093: "Emily has nickels, dimes, and quarters in her piggy bank. She has twice as many dimes as nickels and 12 fewer quarters than dimes. The total value of the coins is $9. How many of each coin type does Emily have?" This is what I have tried, but I can't get it to come out right....
nickels = x
dimes = 2x
quarters = 2x-12
Am I anywhere near the right answer?
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
"Emily has nickels, dimes, and quarters in her piggy bank. She has twice as many dimes as nickels and 12 fewer quarters than dimes. The total value of the coins is $9. How many of each coin type does Emily have?" This is what I have tried, but I can't get it to come out right....
nickels = x
dimes = 2x
quarters = 2x-12
Am I anywhere near the right answer?
**
You are exactly on track so far, but you need to set up an equation to finish the problem and get the right answers.
.05x+.10(2x)+.25(2x-12)=9.00
.05x+.20x+.50x-3=9
.75x=12
x=16
ans:
no of nickels=16
no of dimes=2x=32
no of quarters=2x-12=32-12=20
RELATED QUESTIONS
Emily has nickels, dimes, and quarters in her piggy bank. She has twice as many dimes as... (answered by ankor@dixie-net.com)

Emily has nickels, dimes, and quarters in her piggy bank. She has twice as many dimes as (answered by Fombitz)

Beth has only quarters, dimes, and nickels in her piggy bank. She has twice as many dimes (answered by josgarithmetic)

A piggy bank contains $3.20. There are twice as many nickels as quarters and half as many (answered by macston)

Use Cramer's Rule to solve. Sylvia has a piggy bank that contains nickels, dimes, and... (answered by solver91311)

Ana has a piggy bank that contains nickels, dimes, and quarters. When she opens the bank... (answered by josgarithmetic,ikleyn)

Annie has a piggy bank consisting of quarters dimes and nickels. She has a total 74 coins (answered by josgarithmetic,math_tutor2020)

Annie has a piggy bank consisting of quarters dimes and nickels. She has a total 74 coins (answered by josgarithmetic)

A piggy bank contains $12.75 in nickels, dimes, and quarters. There are twice as many... (answered by stanbon)