SOLUTION: A chemist dilutes a 32% saline (salt) solution with water (0% saline) in order to produce 150 liters of 20% saline solution. How much water and how much 32% solution does she need

Question 31790: A chemist dilutes a 32% saline (salt) solution with water (0% saline) in order to produce 150 liters of 20% saline solution. How much water and how much 32% solution does she need to use?
Thank you for taking the time to answer my question.
Answer by Paul(988) (Show Source): You can put this solution on YOUR website!
Let x be the amount of salt used
Let y be the amount of water used
y=150-x (subsitution)
32x+0y=150(20)
Subsitute:
32x+0(150-x)=3000
32x=3000
x=93.75
y=150-93.75
y=56.25
Hence, a chemist uses 93.75 L of salt and 56.25L of water.
Paul.
RELATED QUESTIONS
a chemist wants to mix a 60% saline solution with 20 liters of a 45% saline solution to... (answered by Earlsdon)

A chemist wants 70% of saline solution with 8 liters of 25% saline solution to create a... (answered by josgarithmetic,MathTherapy)

How many liters of a 20% saline solution and how many of a 10% saline solution must be... (answered by fractalier)

When salt and water are combined they form a saline solution, How much water must be... (answered by ikleyn,Alan3354,greenestamps)

how many liters of a 30% saline solution must be mixed with a 40% saline solution to... (answered by nerdybill)

How many liters of a 10% saline solution must be mixed with 20 liters of a 15% saline... (answered by josmiceli)

A chemist wants to mix a 60% saline solution with 20 liters of a 45% saline solution to... (answered by checkley71)

A chemist wants to mix a 60% saline solution with 20 liters of a 45% saline solution to... (answered by checkley77)

How much of a saline solution that is 20% saline should be mixed with 200 ounces of a... (answered by ikleyn,greenestamps)