sells televisions. She earns a fixed amount for each television and an additional $25 if the buyer gets an extended warranty. If Daria sells 15 televisions with extended​ warranties, she earns $1,200. How much is the fixed amount Daria earns for each​ television?

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.