math
posted by Bobby .
Collin has 6 marbles. One of the marbles is blue and the rest are yellow. if Collin wants to increase the fraction of his marbles that is blue, which of the following could he do?
A. Add a yellow marble
B Take away a blue marble
C Take away a yellow marble
D add a green marble

math 
Ms. Sue
I'll be glad to check your answer.

math 
bobpursley
And what is your thinking here?

math 
Bobby
I think it's C?

math 
bobpursley
go to the head of the class.

math 
Bobby
does that mean I'm right?

math 
bobpursley
smart kids sit up front.

math 
Bobby
Yes sir! Thank you for your help!!!!!
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