SOLUTION: how much of a 15% solution must be added to 60ml of a 50% alcohol solution to get a 40% solution?

SOLUTION: how much of a 15% solution must be added to 60ml of a 50% alcohol solution to get a 40% solution?

Algebra.Com

Question 765884: how much of a 15% solution must be added to 60ml of a 50% alcohol solution to get a 40% solution?
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
how much of a 15% solution must be added to 60ml of a 50% alcohol solution to get a 40% solution?
***
let x=amount of 15% to add
15%x+50%*60=40%(x+60)
.15x+30=.4x+24
.25x=6
x=24
amount of 15% to add=24 ml
RELATED QUESTIONS
How much pure alcohol must be added to 2 liters of a 30% solution to get a 50% alcohol... (answered by richwmiller)

How many liters of a 70% alcohol solution must be added to 50 liters of a 40% alcohol... (answered by jorel555)

How many liters of a 70% alcohol solution must be added to 50 liters of a 40% alcohol... (answered by josgarithmetic,MathTherapy)

How many liters of a 70% alcohol solution must be added to 50 liters of a 40% alcohol... (answered by fractalier)

In chemistry class, 10 liters of a 15% alcohol solution must be mixed with a 75% alcohol... (answered by jorel1380)

how much alcohol should be added to 1 liter of a 30% alcohol solution to get a 50%... (answered by richwmiller)

How much 10% alcohol solution must be added to 20 liters of 50% solution to make a 20%... (answered by josgarithmetic)

How many liters of a 70 percent alcohol solution must be added to 50 liters of a 40... (answered by scott8148)

how many mililiters of a 10% alcohol solution must be added to 50 mililiters of 10%... (answered by mananth,robertb)