Monday at the movies, the three mcDonald siblings spent $44 on three tickets and two popcorn/drink combos. Thursday, they each bought a friend and spent $97.25 on six tickets and five combos. What is the cost of a ticket and the cost of a popcorn/drink combo?

Acylinder and its dimensions are shown. which equation can be used to find v, the volume of the cylinder in cubic centimeters?

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.

How is working backward similar to solving an equation?