Let U = [1,2,3,4,5,6,7,8,9,10,11,12,13,14,1 5,16,17,18). A = (1,3,4,5,6,13,14,15,16,18), B = (1,5,6,7,9,11,12,13,14,16,17), and C={1,2,3,4,7,8,10,11,16,18) Find (A-B) n (C-B)

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters