SOLUTION: How many liters of 40% solution must be added to 40 liters of 50% solution to produce a 40% solution?
Algebra.Com
Question 25030: How many liters of 40% solution must be added to 40 liters of 50% solution to produce a 40% solution?
Answer by Paul(988) (Show Source): You can put this solution on YOUR website!
-40x+50(40)=40(40+x)
-40x+2000=1600+40x
-80x=-400
x=5
Hence about 5L of solution must be added.
Paul.
RELATED QUESTIONS
How many liters of a 70 percent alcohol solution must be added to 50 liters of a 40... (answered by scott8148)
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)
How many liters of a 70% alchole slolution must be added to 50% liters of a 40% alcohole... (answered by Alan3354)
How many liters of a 70% alcohol must be added to 50 liters of a 40% alcohol solution to... (answered by nerdybill)
how many liters of a 15% solution of alcohol should be added to a 30 liters of a 50%... (answered by richwmiller)
How many liters of a 60% salt solution must be added to 20 liters of a 12% salt solution... (answered by mangopeeler07)
How many liters of a 70% acid solution must be added to 12 liters of a 20% acid solution... (answered by Alan3354,ikleyn)