SOLUTION: An 800 g solution of acid and water contains 128 g of acid. What percent of the solution is acid?
So far I have done this just subtracted.
800-128=672
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Question 76815: An 800 g solution of acid and water contains 128 g of acid. What percent of the solution is acid?
So far I have done this just subtracted.
800-128=672
Answer by mathman409(67) (Show Source): You can put this solution on YOUR website!
Great,you are on the WRONG track. No you don't subtract. You see, the line that separates the numerator and the denominator of a fraction means to divide.
To get the answer, do 128/800. you see percentage is a number over a denominator which is 100. All you have to do is simplify the fraction over 100. It is now (128/8)/(800/8). So do it and get 16/100. 16% is the answer!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
(i hope you get it)
WE DID IT!
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