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Lana71 [14]
3 years ago
9

One canned juice drink is 25​% orange​ juice; another is 10​% orange juice. How many liters of each should be mixed together in

order to get 15L that is 21​% orange​ juice?
Mathematics
1 answer:
Talja [164]3 years ago
4 0
11 liters of 25% orange juice, 4 liters of 10% orange juice:

1' let x to be 25% orange juice and y be 10% orange juice

2' .25x+.10y=(15).21

3' x+y=15

4' 2.5x+y=31.5 divide all sides by 10

5' -x-y=-15 multiply all sides by -1

6' 1.5x=16.5

7' x=11

8' y=15-11=4

so 11 and 4 are the answers.


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