(22/7 - 2/3) ÷2 the value of (22/7 - 2/3) people what is the answer on the

a. twice
b. half
c.2/3 less than
d.2/3 more than

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