Problema Solution
Write a system of equation and then solve the system
A 40% dye solution is to be mixed with a 70% dye solution to get 120L of a 50% solution. How many liters of the 40% and 70% solutions will be needed?
Answer provided by our tutors
0.4x + 0.7y = 60
x + y = 120
solving we get
40% 80L
70% 40L