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A bag contains yellow, green, blue, and white marbles.  The ratio of yellow, green, blue, and white marbles is 1:2:3:4.  If the bag contains 180 marbles, then how many blue marbles are there?

 May 20, 2023
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1 + 2 + 3 + 4==10 sum of all ratios.

 

180 / 10 ==18 - this is the constant

 

18  x  1 ==18 yellow marbles

18  x  2==36 green marbles

18  x  3==54 blue narbles

18  x  4==72 white marbles.

 May 20, 2023

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