Reagan surveyed a number of her classmates about what time they usually go to bed. of the fifteen classmates she asked, nine said 10 p. m. what percent is this?

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

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.

Astore has clearance items that have been marked down by 60%. they are having a sale, advertising an additional 55% off clearance items. what percent of the original price do you end up paying?