Determine the magnitude of the vector sum v = v1 + v2 and the angle θx which v makes with the positive x-axis. complete both graphical and algebraic solutions. v2 = 16 units

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