SOLUTION: A chemical company makes two brands of antifreeze. The first brand is 40% pure antifreeze, and the second brand is 95% pure antifreeze. In order to obtain 110 gallons of a mixture

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: A chemical company makes two brands of antifreeze. The first brand is 40% pure antifreeze, and the second brand is 95% pure antifreeze. In order to obtain 110 gallons of a mixture       Log On


   

Question 1125183: A chemical company makes two brands of antifreeze. The first brand is 40% pure antifreeze, and the second brand is 95% pure antifreeze. In order to obtain 110 gallons of a mixture that contains 60% pure antifreeze, how many gallons of each brand of antifreeze must be used?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
40%28110-x%29%2B95x=60%2A110, if x is how many gallons of the 95% pure antifreeze to use

40%2A110-40x%2B95x=60%2A110
55x=60%2A110-40%2A110
55x=20%2A110
highlight%28x=40%29


70 gallons of the 40%
40 gallons of the 95%