Problema Solution
A chemist is mixing one solution at 32% sodium and another that is 12% sodium. How many liters of each type should the chemist use to produce 50 liters of the solution that is 20% solution?
Answer provided by our tutors
Let
x = liters of 32% sodium
y = liters of 12% sodium
x + y = 50
0.32x + 0.12y = 0.20*50
........
click here to see the system of equations solved for x and y
........
x = 20 L
y = 30 L
The chemist should use 20 liters of 32% sodium and 30 liters of 12% sodium.