Andrey stops at a ball toss game at the St. Mary's Fair. The sign reads,"Three balls for $0.40or 6 balls for $0.60." What percent does he save by buying one set of six balls instead of two sets of three balls?

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin