# SOLUTION: solution A 30% acid, solution B is 100% acid. How many liters should be combined to make 28 liters of a solution that is 50%acid? X + Y = 28 30% 100%=50% 30x 100y 50% of 24 l

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 Question 371376: solution A 30% acid, solution B is 100% acid. How many liters should be combined to make 28 liters of a solution that is 50%acid? X + Y = 28 30% 100%=50% 30x 100y 50% of 24 liters < Answer by Alan3354(30993)   (Show Source): You can put this solution on YOUR website!solution A 30% acid, solution B is 100% acid. How many liters should be combined to make 28 liters of a solution that is 50%acid? X + Y = 28 30% 100%=50% 30x 100y 50% of 24 liters < ------------------ x = amount of solution A y = amount of B --------------- x + y = 28 --> y = 28-x 0.3x + y = 0.5*28 = 14 -------------- y = 28-x 0.3x + 28-x = 14 -0.7x = -14 x = 20 liters y = 8 liters ----------------- I would have used A and B instead of x and y, but the answer is the same.