SOLUTION: A printer has ink that is 3% cobalt blue color and ink that is 27% cobalt blue color. How many ounces of each ink are needed to make 3 gallons (384 ounces) of ink that is 15% cobal

Question 1126233: A printer has ink that is 3% cobalt blue color and ink that is 27% cobalt blue color. How many ounces of each ink are needed to make 3 gallons (384 ounces) of ink that is 15% cobalt blue color?

Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = ounces of 3% c.b. ink
Let = ounces of 275 c.b ink
----------------------------------------
(1)
(2)
---------------------------------------
Multiply both sides of (1) by
and subtract from (2)
(2)
(2)
(1)
-------------------------------

and
(1)
(1)
----------------------------
192 ounces of each are needed
check:
(2)
(2)
(2)
OK

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