Question
Eight people in a room have an average height of 66 inches. A ninth person enters the room. How tall would he have to be to raise the average height by 0.5 inches?
Answers
Steve
8*66 = 528
528 + h = 9*66.5 = 598.5
h = 70.5
528 + h = 9*66.5 = 598.5
h = 70.5