SOLUTION: One canned juice drink is 30% orange juice, another is 10% orange juice. How many liters of each should be mixed together in order to get 20L that is 18% orange juice?

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Question 460320: One canned juice drink is 30% orange juice, another is 10% orange juice. How many liters of each should be mixed together in order to get 20L that is 18% orange juice?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
20x.18=3.6
m+n=20
.3m+.1n=3.6
3m+n=36
m+n=20
2m=16
m=8
n=12
You need 8 liters of 30% juice and 12 liters of 10% juice to make 20 liters of
18% juice..