SOLUTION: how much 40% alcohol solution and 25% solution must be mixed together to get 24 gallons of 30% solution?

Question 356464: how much 40% alcohol solution and 25% solution must be mixed together to get 24 gallons of 30% solution?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

Let A be the amount of 40% solution, B the amount of 25% solution.
Volume:
1.
Concentration:

2.
Multiply eq. 1 by (-5) and add to eq. 2 to eliminate B and solve for A.

gallons
Then from eq. 1,

gallons
RELATED QUESTIONS
How many gallons of 25% alcohol solution and 40% alcohol solution must be mixed to get 6... (answered by ewatrrr)

How much of each of a 20% alcohol solution and a 45% alcohol solution must be mixed... (answered by lwsshak3)

How much 20% alcohol solution and 50% alcohol solution must be mixed to get 12 gallons of (answered by ewatrrr)

How many gallons of a 25% alcohol solution must be mixed with 20 gallons of a 50% alcohol (answered by josmiceli)

"How many gallons of a 25% alcohol solution must be mixed with 10 gallons of a 50%... (answered by Alan3354)

How many gallons of a 40% alcohol solution must be mixed with 30 gallons of a 25%... (answered by jorel1380)

how many gallons of 20% alcohol soultion and 50% alcohol soultion must be mixed together... (answered by mananth)

How many gallons of 10% alcohol solution and 75% alcohol solution must be mixed to... (answered by checkley79)

How many gallons of 15% alcohol solution and 45% alcohol solution must be mixed to get 12 (answered by richwmiller)