Question 414986: How many quarts of pure anitifreeze must be added to 4 quarts of a 20% antifreeze solution to obtain a 50% antifreez solution? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = quarts of pure antifreeze needed = pure antifreeze in 20% solution
2.4 quarts of pure antifreeze must be added
check:
OK
