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Can anyone help with a quick ratio problem?

 

A bag contains yellow, green, blue, and white marbles in the ratio 4:2:3:7. If the bag contains 240 marbles, then how many blue marbles are there? 

 Apr 24, 2023
 #1
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4+2+3+7=16

Divide 240/16 to get 15*4 yellow, 15*2 green, 15*3 blue, and 15*7 white.

Blue is what we are looking for, so the answer is 15*3=45.

 Apr 24, 2023

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