Posted by **Mia** on Wednesday, January 12, 2011 at 7:10pm.

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?

f) Add a yellow marble

g) Take away a blue marble

h) Take away a yellow marble

i) Add a green marble.

Answer: f, g, h or i

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