I keep getting wrong answers and Keeps giving wrong answers for problems similar to this

This question awards 100 ! i really don’t want to fail i will also mark you !

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.

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?