SOLUTION: It is necessary to have a 40% antifreeze solution in the radiator of a certain car. The radiator now has 70 liters of 20% solution. How many liters of this should be drained and re

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: It is necessary to have a 40% antifreeze solution in the radiator of a certain car. The radiator now has 70 liters of 20% solution. How many liters of this should be drained and re      Log On


   



Question 885121: It is necessary to have a 40% antifreeze solution in the radiator of a certain car. The radiator now has 70 liters of 20% solution. How many liters of this should be drained and replaced with 100% antifreeze to get the desired strength?
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
This lesson is designed for questions just like what you asked:
Drain and Replace: Radiator Antifreeze Mixture