SOLUTION: Penny had a bag of marbles. She gave one-third of them to Reta, and then one-fourth of the remaining to John. Penny then had 24 marbles left in the bag. How many marbles were in th

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Question 334705: Penny had a bag of marbles. She gave one-third of them to Reta, and then one-fourth of the remaining to John. Penny then had 24 marbles left in the bag. How many marbles were in the bag to start with?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
(x*2/3)*3/4=24
2x/3*3/4=24
6x/12=24
6x=288
x=288/6
x=48 marbles in the bag at the start.