SOLUTION: Automotive maintenance. The radiator in Natalie’s car contains 6.3 L of antifreeze and water. This mixture is 30% antifreeze. How much of this mixture should she drain and replace
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Question 532301: Automotive maintenance. The radiator in Natalie’s car contains 6.3 L of antifreeze and water. This mixture is 30% antifreeze. How much of this mixture should she drain and replace with pure antifreeze so that there will be a mixture of 50% antifreeze? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = liters of mixture she should
drain and replace with pure antifreeze
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given: = liters of pure antifreeze that
she drains off = pure antifreeze left after
she drains off liters of mixture
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She must drain off 1.8 liters and replace with pure antifreeze
check:
OK
