SOLUTION: How many gallons of a 65% solution must be mixed with 8 gallons of water to make a 25% solution?
Algebra.Com
Question 212548: How many gallons of a 65% solution must be mixed with 8 gallons of water to make a 25% solution?
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
.65x=.25*(x+8)
.65x=.25x+2
.65x-.25x=2
.4x=2
x=2/.4
x=5 gallons of the 65% solution is needed.
Proof
.65*5=.25(8+5)
3.25=.25*13
3.25=3.25
RELATED QUESTIONS
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 5% acid solution must be mixed with 3 gallons of a 65% acid... (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 10% antifreeze solution and a 25 % Antifreeze solution must be... (answered by tommyt3rd)
How many gallons of a 24% saline solution (NaCl) must be mixed with 5 gallons of pure... (answered by ewatrrr,josgarithmetic)
How many gallons of distilled water must be mixed with 75 gallons of 30% alcohol solution (answered by Fombitz)
How many gallons of distilled water must be mixed with 50 gallons of 30% alcohol solution (answered by Jk22)
How many gallons of distilled water must be mixed with 50 gallons of 30% alcohol solution (answered by ad_alta)
How many gallons of distilled water must be mixed with 5 gallons of 30% alcohol solution... (answered by mananth)