SOLUTION: How much water must be added to a 40 liters of a 30% salt solution to produce a 25% salt solution?
Algebra.Com
Question 149894: How much water must be added to a 40 liters of a 30% salt solution to produce a 25% salt solution?
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
How much water must be added to a 40 liters of a 30% salt solution to produce a 25% salt solution?
.
Let x = amount of water added
.
Started with:
40 liters
of which .30(40) = 12 liters is salt
.
12 = .25(40+x)
12 = 10 + .25x
2 = .25x
8 liters = x
RELATED QUESTIONS
How many liters of water must be added to 40 liters of a 30% salt solution to produce a... (answered by ikleyn)
how many liters of water must be added to 80 liters of a 40% salt solution to produce a... (answered by lwsshak3)
A certain solution of salt water is 15% salt and weighs 35 pounds. How much salt must be... (answered by rapaljer)
a certain solution of salt water is 15% salt and weighs 35 pounds. how much salt must be... (answered by josmiceli)
How much water must be boiled off from 40 liters of a 30% salt solution to produce a 80%... (answered by checkley77)
a solution of 16 pints of salt and water is 25% salt. how much water must be added to... (answered by josgarithmetic)
How many liters of a 60% salt solution must be added to 20 liters of a 12% salt solution... (answered by mangopeeler07)
How much water should be added to 25 liters of a 14% salt solution to make a 5% salt... (answered by TimothyLamb)
How much water must be evaporated from 200 mL of a 5% salt solution to produce a 25% salt (answered by stanbon)