Bashirar19
10.09.2020 •
Mathematics
a) Ten people in a room have an average height of 5 feet 6 inches. An 11th person, who is 6 feet 5 inches tall, enters the room. Find the average height of all 11 people. b) Twenty-one people in a room have an average height of 5 feet 6 inches. A 22nd person, who is 6 feet 5 inches tall, enters the room. Find the average height of all 22 people. c) Twenty-one people in a room have an average height of 5 feet 6 inches. A 22nd person enters the room. How tall would this person need to be to increase the average height by 1 inch?
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