SOLUTION: a soliution of salt and water contains 5% salt.of it 20 kg water evaporates and the solution now contains 15% of salt.find the origional quantity of solution?

Question 771849: a soliution of salt and water contains 5% salt.of it 20 kg water evaporates and the solution now contains 15% of salt.find the origional quantity of solution?
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
a soliution of salt and water contains 5% salt.of it 20 kg water evaporates and the solution now contains 15% of salt.find the origional quantity of solution?
***
let x=amt of original 5% solution.
5%x=15%(x-20)
.05x=.15x-3
.10x=3
x=30
amt of original 5% solution=30 kg
RELATED QUESTIONS
A 900-gram salt and water solution contains 60 g of salt. This mixture is left in the... (answered by stanbon)

A 620-gram salt-and-water solution contains 50 g of salt. This mixture is left in the... (answered by stanbon)

A 1000-gram salt-and-water solution contains 80 g of salt. This mixture is left in the... (answered by Boreal)

A 560-gram salt-and-water solution contains 60 g of salt. This mixture is left in the... (answered by josgarithmetic)

A 900-gram salt-and-water solution contains 80 g of salt. This mixture is left in the... (answered by ikleyn)

A salt solution of 15 l contains 20% salt,how much water you must add to salt solution... (answered by stanbon)

a solution of salt and water contains 12% salt by weight .after evaporation of 25 kg of... (answered by stanbon)

What is the strength of a salt solution that contains 12 gallons of salt and 18 gallons... (answered by longjonsilver)

One hundred liters of a salt and water solution contains 1% salt. After some of the water (answered by TimothyLamb)