Math
posted by Anonymous on .
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?

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