Dividing by 7 is the same as multiplying by what fraction?

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.

Shared decision making is always a positive strategy to take

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?