Cual es fraccion de 326.868​

Hi my sisters and brothers can tell me the answer because i don’t understand the question

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.

If angle ase measures 168 degrees, find the measure of angle dse. the figure mag not be drawn to scale