SOLUTION: A bag of marbles has twice as many blue marbles as green marbles, and the bag has at least 33 marbles in it. At least how many green marbles does it have?

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Question 291254: A bag of marbles has twice as many blue marbles as green marbles, and the bag has at least 33 marbles in it. At least how many green marbles does it have?
Answer by Edwin McCravy(20054) About Me  (Show Source):
You can put this solution on YOUR website!
B+=+2G
G+%2B+B+%3E=+33
Substituting 2G for B
G+%2B+2G+%3E=+33
3G+%3E=+33
3G%2F3%3E=33%2F3
G%3E=11
There are at least 11 green marbles