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

I'll be glad to check your answer.

And what is your thinking here?

I think it's C?

go to the head of the class.

does that mean I'm right?

smart kids sit up front.

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