Question

Amy mixes 12 liters of 16% acid solution with a 40% acid solution which results in 32% acid solution.

Let x represent the number of liters of 40% solution used. Which equation can be used to find the number of liters of 40% acid solution in the mixture?

Answer 1

I'm dying people please lol.

Answer 2

1.92 + 0.4x = 0.32(x + 12) ?

Answer 3

x = 24

Answer 4

that is the formula i came up with too

Answer 5

12L of 16% + 24L of 40% does = 36L of 32%