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December 20, 2014

December 20, 2014

Posted by **lidia** on Monday, April 30, 2012 at 6:29pm.

my answer is 8,am i right.if not how.

- math aig -
**bobpursley**, Monday, April 30, 2012 at 6:33pmYellow: 1/2*48=24

Blue: 5/12 *48=20

How did you get 8?

- math aig -
**visoth**, Monday, April 30, 2012 at 6:36pmfirst find out exactly how much of each you have with simply ratio cross multiplication

(x/48)=((5/12)

240= 12x divide by 12

gives you x = 20 (x is blue marbles)

(1/2)= (y/48)

2y= 48

y= 24 so he has 4 more yellows

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