Algebra I: Percent mixture problems
This is a free lesson from our course in Algebra I
 
   
There are two important facts in the percent mixture problems: the percent in each mixture and the amount /quantity of each mixture. You'll typically be taking two mixtures and putting them into one pot to make a third mixture, and will be asked to calculate either the percent or the quantity of one of the mixtures.For example, find out how many gallons of a 15% acid solution must be mixed with 5 gal of a 20 % acid solution to make a 18% solution?
This problem can be written in the form of the equation:
         .15x + 1 =.18(5 + x)
When we simplify it, value of x = 33.3 i.e. we'll need 33.3 gallons of the 15% acid solution.
<h2> Percent mixture problems - Watch video (Algebra I)</h2> <p> percent, mixture, problems, acid, equation, solution, calculate, total, quantity, alcohol, amount, practice questions, solutions</p> <p> Find out how many gallons of a 15% acid solution must be mixed with 5 gal of a 20 % acid solution to make a 18% solution?</p>
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