Problema Solution
if you have an 50% solution of insectcide and an 30 % solution of insectide. How much of each solution would you mix together to get a 200liter 42% solution of insecticide?
Answer provided by our tutors
given this,
50.X..........
30 and .200 - X...............30*(200-X)
42........................200.........
50X + 30(200 - X) = 42(200)
50X + 6000 - 30X = 8400
20X + 6000 = 8400
20X = 2400
2X = 240
X = 120 Liters
50%...............120 L
30%.................80 L...........ANSWER