SOLUTION: A printer has ink that is 18% cobalt blue color and ink that is 22% cobalt blue color. How many ounces of each ink are needed to make 2 gallons (256 ounces) of ink that is 20% cob

Algebra ->  Expressions -> SOLUTION: A printer has ink that is 18% cobalt blue color and ink that is 22% cobalt blue color. How many ounces of each ink are needed to make 2 gallons (256 ounces) of ink that is 20% cob      Log On


   



Question 916246: A printer has ink that is 18% cobalt blue color and ink that is 22% cobalt blue color. How many ounces of each ink are needed to make 2 gallons (256 ounces) of ink that is 20% cobalt blue color?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
x the amount of the 22%
.22x + .18(2G - x) = .20(2G)
x = .02(256oz)/.04 , amount in ounces of the 22%
256 - x = the amount of the 18%