Posted by Pam on .
One canned juice drink is 20% orange juice! another is 5% orange juice. How many liters of each should be mixed together in order to get 15L that is 16% orange juice?

Algebra 
Reiny,
amount of 20% juice used ...... x L
amount of 5% juice used ....... 15  x L
.20x + .05(15x) = .16(15)
times 100 to get rid of those decimals
20x + 5(15x) = 16(15)
20x + 75  5x = 240
15x = 165
x = 11
Answer as needed.