Posted by Anonymous on Thursday, February 9, 2012 at 5:18pm.
You have 33 marbles in total. you have 4 times as many red marbles as green marbles. you have one half as many blue marbles as green marbles. How many blue marbles do you have?

Math  Steve, Thursday, February 9, 2012 at 9:10pm
r=4g
2g = b
r+b+g=33
g+2g+4g=33
7g=33
sure you don't have 35 marbles?
5+10+20=35
5 green
10 blue
20 red