Twenty-one people in a room have an average height of 5 feet 6 inches. a 22nd person enters the room. how tall would he have to
be to raise the average height by 1 inch?
1 answer:
The person would need to be 22 inches taller than the average, that is, 7 ft 4 inches tall.
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16.27
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length is 78
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Maybe if i add 10 + 30 is = 40 this is my answer
