samrand wrote:
At a certain paint store "forest green"is made by mixing 4 parts blue paint with 3 parts yellow paint."Verdant green"is made by mixing 4 parts yellow paint with 3 parts blue paint.How many liters of yellow paint must be added to 14 liters of "forest green"to change it to "Verdant green"?
A. 2
B. 13/6
C. 3
D. 4
E. 14/3
We are given that we have 14 liters of forest green, which has the ratio of blue : yellow = 4x : 3x. Thus:
7x = 14
x = 2
So, we have
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