SOLUTION: One canned juice drink is 30% orange juice; another is 5% orange juice. How many liters of each should be mixed together in order to get 25L that is 23% orange juice?

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Question 337151: One canned juice drink is 30% orange juice; another is 5% orange juice. How many liters of each should be mixed together in order to get 25L that is 23% orange juice?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Let A be the amount of 30% OJ, B the amount of 5% OJ.
1.A%2BB=25
.
.
.
30A%2B5B=23%2825%29
2.6A%2BB=115
From eq.1,
B=25-A
Substitute into eq. 2,
6A%2B%2825-A%29=115
5A=90
highlight%28A=18%29
Then from eq. 1,
18%2BB=25
highlight%28B=7%29