February 20, 2017

Homework Help: Math

Posted by Brandi on Wednesday, August 8, 2012 at 6:40pm.

I want to make sure I'm doing the GCF correctly with 3 numbers. The problem is: Ari is making patriotic pins. He has 105 red ribbons, 147 white ribbons, and 189 blue ribbons. What is the greatest number of identical pins he can make if he uses all his ribbons? I think the answer is 21. Is that correct? Thanks..

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