SOLUTION: a 1500 liter tank contains 30 liters of a 70 % acid solution. You add x liters of a 30 % acid solution to the tank. Determine a function that represents the proportion of acid to t

Question 329487: a 1500 liter tank contains 30 liters of a 70 % acid solution. You add x liters of a 30 % acid solution to the tank. Determine a function that represents the proportion of acid to the total solution in the final mixture
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
a 1500 liter tank contains 30 liters of a 70 % acid solution.
You add x liters of a 30 % acid solution to the tank.
Determine a function that represents the proportion of acid to the total
solution in the final mixture
:
y = decimal proportion of acid to the total
y(x+30) = .3x + .7(30)
y(x+30) = .3x + 21
y =
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