Will reward brainliest 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? a. 1.92 + 0.32x = 0.4(x + 12) b. 3.84 + 0.4x = 0.16(x + 12) c. 4.8 + 0.32x = 0.4(x + 12) d. 1.92 + 0.4x = 0.32(x + 12)