Question 320938: A car radiator has a 6-liter capacity. If the liquid in the radiators 40% antifreeze, how much liquid must be replaced with pure anitfreeze to bring the mixture up to a 50% solutions? If I told you the answer is 1 liter, in your own words, using complete sentences explain how you would solve this problem
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! A car radiator has a 6-liter capacity. If the liquid in the radiators 40% antifreeze, how much liquid must be replaced with pure anitfreeze to bring the mixture up to a 50% solutions? If I told you the answer is 1 liter, in your own words, using complete sentences explain how you would solve this problem
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Equation:
acid - acid + acid = acid
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0.40*6 - 0.40x + 1.00x = 0.50*6
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Multiply thru by 100 to get:
40*6 - 40x + 100x = 50*6
60x = 10*6
x = 1 liter
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Cheers,
Stan H.
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