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Please help me with my Algebra homework!!!?
One canned juice drink is 15% orange juice; another is 5% orange juice. How many liters of each should be mixed together in order to get 10L that is 7% orange juice.
How many liters of the 15% orange juice should be in the mixture?
How many liters of the 5% orange juice should be in the mixture?
1 Answer
- Dr JLv 51 decade agoFavorite Answer
a=liters of the 15%
b=liters of the 5% juice
the amount of juice being mixed must equal the juice in the final mixture
0.15a+0.05b = 0.07*(10)
and the total liters in the final mixture is 10
a + b = 10
the first eqn can be written as
15a + 5b = 70
we know that a=10-b, substitute in the above eqn.
15(10-b)+5b=70
150-15b+5b=70
10b=80
b=8 liters
a=2 liters
