SOLUTION: How much of a solution that is 30% alcohol must be added to 55 liters of a solution that is 60% alcohol to obtain a solution that is 40% alcohol?

Question 819746: How much of a solution that is 30% alcohol must be added to 55 liters of a solution that is 60% alcohol to obtain a solution that is 40% alcohol?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
30w + 60(55) = 40(w + 55)
30w + 3300 = 40w + 2200
10w = 1100
---
w = 110 L
---
Solve and graph linear equations:
https://sooeet.com/math/linear-equation-solver.php
---
Solve quadratic equations, quadratic formula:
https://sooeet.com/math/quadratic-formula-solver.php
---
Calculate and graph the linear regression of any data set:
https://sooeet.com/math/linear-regression.php
RELATED QUESTIONS
How many liters of a 70% alcohol solution must be mixed with 30 liters of a 15% alcohol... (answered by Earlsdon)

How much alcohol must be added to 16 liters of a 25% alcohol solution to make a 55%... (answered by stanbon)

How much of a 80% alcohol solution must be mixed with 60 gallons of a 24% alcohol... (answered by checkley71)

How much of a 70%-alcohol solution must be mixed with 50 gallons of a 23%-alcohol... (answered by richwmiller)

How much of a 40% alcohol solution must be mixed with 50 gallons of an 18% alcohol... (answered by richwmiller)

how much pure alcohol must be added to 4 liters of 10% alcohol solution to make a... (answered by TimothyLamb)

How many liters of a 10% alcohol solution must be added to 80 liters of a 30% alcohol... (answered by Earlsdon)

How many liters of an 11% alcohol solution should be mixed with 60 liters of a 5% alcohol (answered by stanbon)

how many liters of a 12% alcohol solution must be added to 15 liters of a 5% alcohol... (answered by rothauserc)