SOLUTION: Terry's teacher asks her to add acid to 8 gallons of a 32% acid in water solution to get a solution that is 70% acid. How much pure acid should she add?
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Question 1051970: Terry's teacher asks her to add acid to 8 gallons of a 32% acid in water solution to get a solution that is 70% acid. How much pure acid should she add?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
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Terry's teacher asks her to add acid to 8 gallons of a 32% acid in water solution to get a solution that is 70% acid. How much pure acid should she add?
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Add A gallons.
then,
8*32 + A*100 = (8+A)*70
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