SOLUTION: How many liters of a 40%-alcohol solution must be mixed with 10 liters of a solution that is 80% alcohol to get a solution that is 60% alcohol?

Question 263609: How many liters of a 40%-alcohol solution must be mixed with 10 liters of a solution that is 80% alcohol to get a solution that is 60% alcohol?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
How many liters of a 40%-alcohol solution must be mixed with 10 liters of a solution that is 80% alcohol to get a solution that is 60% alcohol?
:
let x = amt of 40% solution required
:
A typical mixture equation
:
.4x + .8(10) = .60(x+10)
.4x + 8 = .6x + 6
8 - 6 = .6x - .4x
2 = .2x
x =
x = 10 liters of 40% solution required
:
:
Check
.4(10) + .8(10) = .6(10+10)
4 + 8 = .6(20)
RELATED QUESTIONS
How many liters of a 40%-alcohol solution must be mixed with 10 liters of a solution that (answered by RAY100)

how many liters of a 40% alcohol solution must be mixed with 10 liters of a solution... (answered by Alan3354)

How many liters of a 40%-alcohol solution must be mixed with 10 liters of a solution that (answered by checkley77)

How many liters of a 40%-alcohol solution must be mixed with 10 liters of a solution that (answered by nyc_function)

how many liters of a 10 percent alcohol solution must be mixed with 70 liters of the... (answered by mananth)

how many liters of a 10% alcohol solution must be mixed with how many liters of a 50%... (answered by mananth)

How many liters of a 10% alcohol solution must be mixed with 80 liters of a 80% solution... (answered by Fombitz,edjones)

How many liters of a 10% alcohol solution must be mixed with 80 liters of a 80% solution... (answered by richwmiller)

how many liters of a 20% alcohol solution must be mixed with 30 liters of a 80% solution... (answered by robertb)