SOLUTION: Please help! Alice takes one-third of the quarters from a large jar. Then, Brett takes one-third of the remaining quarters from the jar. Finally, Carla takes one-third of the re

Algebra ->  Customizable Word Problem Solvers  -> Coins -> SOLUTION: Please help! Alice takes one-third of the quarters from a large jar. Then, Brett takes one-third of the remaining quarters from the jar. Finally, Carla takes one-third of the re      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 828097: Please help!
Alice takes one-third of the quarters from a large jar. Then, Brett takes one-third of the remaining quarters from the jar. Finally, Carla takes one-third of the remaining quarters from the jar, leaving 40 quarters in the jar. How many quarters were in the jar at the start?

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
x-1/3x-1/3(x-1/3x)-1/3(x-1/3x-1/3(x-1/3x))=40
x = 135
check
135-45=90
90=30=60
60-20=40
ok