SOLUTION: Gretchen is conducting a science experiment. The formula calls for 3/4 cups of sulfuric acid for every 2/7 cups of water. How many cups of sulfuric acid will Gretchen need per 1 cu

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Question 1039450: Gretchen is conducting a science experiment. The formula calls for 3/4 cups of sulfuric acid for every 2/7 cups of water. How many cups of sulfuric acid will Gretchen need per 1 cup of water?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
(1/1)/(2/7)=
1/1*7/2=7/2=3.5 per cup
3.5*0.75=2.625 cups of acid
or
3 1/2*75/100=
7/2*75/100=525/200=2 5/8 cups of acid