SOLUTION: John mixed 3/4 liter of yellow paint with 1 1/4 liters of red paint to mak 2 liters of orange paint. To make a new batch of orange paint, he used exactly 1 liter of red paint. Usin

Question 1015372: John mixed 3/4 liter of yellow paint with 1 1/4 liters of red paint to mak 2 liters of orange paint. To make a new batch of orange paint, he used exactly 1 liter of red paint. Using the same ratio, how many liters of yellow paint should John use to make his new batch of orange paint?

Answer by ikleyn(52803) (Show Source): You can put this solution on YOUR website!
.
John mixed 3/4 liter of yellow paint with 1 1/4 liters of red paint to 2 liters of orange paint. To make a new batch of orange paint,
he used exactly 1 liter of red paint. Using the same ratio, how many liters of yellow paint should John use to make his new batch of orange paint?
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Let us write as for convenience.

Then your proportion is = , which is the same as
= .

Now you can easily find the unknown amount of the yellow paint x:

x = liters.

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