Posted by Sally on Wednesday, April 14, 2010 at 9:52pm.
Tim put red, white and blue marbles in a bag. Onethird are red, onefourth are are white and ten are blue. how many of each are in the bag and what color are they?

Math  Reiny, Wednesday, April 14, 2010 at 11:10pm
let number of marbles in the bag be x
x/3 + x/4 + 10 = x
times 12
4x + 3x = 120 + 12x
120 = 5x
x = 24