SOLUTION: Carla has $2.40 in nickels and dimes.Deron has $5.50 in dimes and quarters.
Deron has as many dimes as Carla has nickles and as many quarters as Carla has dimes/ How many of each
Algebra.Com
Question 363010: Carla has $2.40 in nickels and dimes.Deron has $5.50 in dimes and quarters.
Deron has as many dimes as Carla has nickles and as many quarters as Carla has dimes/ How many of each coin does Carla have?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
Carla has $2.40 in nickels and dimes.Deron has $5.50 in dimes and quarters.
Deron has as many dimes as Carla has nickles and as many quarters as Carla has dimes/ How many of each coin does Carla have?
..
let carla have x nickels & y dimes
5x+10y=240.................1
Deron has x dimes & y quarters
10x+25y=550.................2
...
multiply equation 1 by -2
-10x-20y=-480
add it to equation 2
10x-10x+25y-20y=550-480
5y=70
y=14 dimes carla has
plug value of y in equation 1
5x+140=240
5x=100
x=20 nickels carla has
.
m.ananth@hotmail.ca
RELATED QUESTIONS
Hello, I am having trouble understanding and solving this problem:
Carla has $2.40 in... (answered by mananth,josgarithmetic)
a piggy bank has $4.40 in nickels, dimes and quarters. there are twice as many quarters... (answered by Fombitz)
maria has $3.00 in nickles, dimes and quarters. If she has twice as many dimes as... (answered by stanbon)
Patty has $5 in quarters dimes and nickles, she has 3x as much in nickles as in dimes,... (answered by nasa)
Harry has 2.50 in quartes nickles and dimes, If he has twice as many nickles, half as... (answered by stanbon)
letty has $5 in nickels, dimes and quarters. She has 3 times as many nickels as dimes.... (answered by josgarithmetic)
Lisa has $5 in nickels, dimes, and quarters. She has 3 times as many nickels as dimes.... (answered by FrankM)
Mary has $5.00 in nickels, dimes, and quarters. If she has twice as many dimes as... (answered by ankor@dixie-net.com)
A boy has 93 cent in pennies, nickels, dimes, and quarters. He has two more quarters than (answered by EMStelley)