Antifreeze is a compound added to water to reduce the freezing point of a mixture. In...

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Antifreeze is a compound added to water to reduce the freezing point of a mixture. In extreme cold (less than -35°F), one car manufacturer recommends that a mixture of 70% antifreeze be used. How much 50% antifreeze solution should be drained from a 4-gal tank and replaced with pure antifreeze to produce a 70% antifreeze mixture? Round your answer to two decimal places if necessary. The car owner should drain off gal of the 50% antifreeze solution. X S Antifreeze is a compound added to water to reduce the freezing point of a mixture. In extreme cold (less than -35°F), one car manufacturer recommends that a mixture of 70% antifreeze be used. How much 50% antifreeze solution should be drained from a 4-gal tank and replaced with pure antifreeze to produce a 70% antifreeze mixture? Round your answer to two decimal places if necessary. The car owner should drain off gal of the 50% antifreeze solution. X S

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Let x number of gal of 50 solution that is drained number of gal of 100 solution that is a... View the full answer