SOLUTION: How many gallons of pure alcohol should be mixed with 20 gallons of a 15 % alcohol solution to obtain a 25% alcohol mixture? It should be two equations that can then be solved usin
Algebra.Com
Question 466081: How many gallons of pure alcohol should be mixed with 20 gallons of a 15 % alcohol solution to obtain a 25% alcohol mixture? It should be two equations that can then be solved using substitution or elimination
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
20(.15)+m=.25(20+m)
m+3=5+.25m
.75m=2
m=2/.75=2.67
You need 2.67 gallons of pure alcohol to strengthen your mixture..
RELATED QUESTIONS
How many gallons of pure alcohol should be mixed with 20 gallons of a 15% alcohol... (answered by mananth)
How many gallons of pure alcohol should be mixed with 20 gallons of 15% alcohol solution... (answered by josmiceli)
how many gallons of pure alcohol should be mixed with 20 gallons of 15% alcohol solution... (answered by Fombitz)
How many gallons of pure alcohol should be mixed with 20 gal of a 15% alcohol solution to (answered by wgunther)
how many gallons of pure alcohol should be mixed with 20 gal of a 15% alcohol solution to (answered by nyc_function)
Alcohol Mixture. How may gallons of pure alcohol should be mixed with 20 gal of a 15%... (answered by josgarithmetic)
How many gallons of pure alcohol should be mixed with 20 gal of 15% alcohol solution to... (answered by jorel1380)
how many gallons of pure alcohol should b mixed with 20 gallons of a 15% alchol solution... (answered by stanbon,RAY100)
How many gallons of a 15% alcohol solution and how many gallons of a 10% alcohol solution (answered by josgarithmetic)