The weight of an elephant is 10 time power of 3 the weight of a cat. if the elephant weighs 14,000 pounds, how many pounds does the cat weigh? how did you find the answer?

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