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I have a bag containing red, green, blue, and white marbles and the ratio red:green:bue:white is 2:2:5:7. I have 320 marbles. How many blue marbles do I have?

 Oct 10, 2020
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BLUE  are   5  out of  (2+2+5+7) =   5 / 16   of 320

 

 

5/16 * 320 = ........

 Oct 10, 2020

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