Posted by JESSICA on Monday, December 6, 2010 at 11:04am.
Allen started out with x marbles. He doubled his number of marbles by buying an additional x marbles from Betty. Then he gave away onethird of all his marbles to his friend Clarence. At the end of the day, he had 16 marbles. How many marbles did he start out with

MATH  Reiny, Monday, December 6, 2010 at 11:32am
start  x
after Betty deal  2x
after giveaway  (2/3)(2x)
(4/3)x = 16
4x = 48
x = 12
check:
start: 12
after doubling : 24
gave (1/3) of 24 or 8 away
leaving him with 16

MATH  JESSICA, Monday, December 6, 2010 at 6:18pm
SO HE STARTED OUT WITH 12?
Answer This Question
Related Questions
 Math  I am having a problem answering this math problem. Andrea has a box of ...
 math  Jose was playing a game with marbles.In the first round ,he lost 1/4 of ...
 math  Jonah has a large collection of marbles. He notices that if he borrows 5 ...
 Math  Yes, it is I again, with yet another math problem. The question is; In a ...
 Math  Natalie had some marbles. She gave 1/3 of them to her brother, who kept ...
 Math  Natalie had some marbles. She gave 1/3 of them to her brother,who kept 12...
 math  in a jar of 40 marbles there are 12 red marbles 19 blue marbles and there...
 Discrete Math  A bag contains 5 red marbles, 4 yellow marbles, 3 green marbles...
 math  George has a bag of marbles. Inside the bag are 5 red marbles, 3 green ...
 math  George has a bag of marbles. Inside the bag are 5 red marbles, 3 green ...
More Related Questions