Question 834344: How many liters of a 40% antifreeze solution must be added to a 4 liter of a 10% antifreeze solution to produce a 35% antifreeze solution? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = liters of 40% antifreeze needed = liters of antifreeze in 40% solution liters of antifreeze in 10% solution
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20 liters of 40% antifreeze are needed
check:
OK
