SOLUTION: yvette goes to the local bank to get $ 20 in quarters, dimes and nickels to use in her restaurant. She gets twice as many quarters as dimes and 10 more nickels than dimes. How ma

Question 729443:
yvette goes to the local bank to get $ 20 in quarters, dimes and nickels to use in her restaurant. She gets twice as many quarters as dimes and 10 more nickels than dimes. How many of each type of coin does she get?
Answer by checkley79(3341) (Show Source): You can put this solution on YOUR website!
Q=2D
N=D+10
.25Q+.10D+.05N=20.00
.25(2D)+.10D+.05(D+10)=20.00
.50D+.10D+.05D+.5=20.00
.65D=20.00-.50
.65D=19.50
D=19.50/.65
D=30 NUMBER OF DIMES.
Q=2*30=60 NUMBER OF QUARTERS.
N=30+10=40 NUMBER OF NICKLES.
PROOF:
.25*60+.10*30+.05*40=20.00
15.00+3.00+2.00=20.00
20.00=20.00

RELATED QUESTIONS
a drive in cashier took $20 in bills to the bank to get change. she asked for twice as... (answered by bucky,stanbon)

Corey goes to the bank to get $20.00 in quarters, dimes, and nickels to use to make... (answered by ewatrrr)

Kobe went to local bank to get $20 in quarters, dimes and nickels for his restaurant. He... (answered by greenestamps)

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

Araceli goes to the bank to get $10 worth of change. She requests twice as many quarters (answered by stanbon)

Araceli goes to the bank to get $10 worth of change. She requests twice as many quarters (answered by nerdybill)

"Emily has nickels, dimes, and quarters in her piggy bank. She has twice as many dimes as (answered by lwsshak3)

A storekeeper goes to the bank to get $10 worth of change. She requests twice as many... (answered by bucky)

A storeKeeper goes to the bank to get $10 worth of change. She requests twice as many... (answered by drk)