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A bag contains yellow, green, blue, and white marbles in the ratio 4:2:3:8 . If the bag contains 187 marbles, then how many blue marbles are there?

 Jul 2, 2020
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Add all the ratios up:

 

[4 +2 + 3 + 8] =17

 

The blue marbles =[3 / 17] * 187 = 33 - Blue marbles in the bag.

 Jul 2, 2020

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