You randomly draw a marble from a bag of marbles that contains 77 blue marbles, 22 green marbles, and 11 red marble. what is \text{p(not draw a blue marble})p(not draw a blue marble)?

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