50 liters of a 30% concentrate is mixed with 30 liters of a 40% concentrate to form a new concentrate. What is the strength (concentration) of the new concentrate

Answer 1

30(50) + 30(40) =80X

1500 + 1200 = 80X

80X = 2700

X = 2700/80 = 270/8 = 33.75% concentration of the mixture of 80 liters