The average height of 5 players in a basketball team is 181 cm. A player leaves and a new player joins the
team.raising the team's average height by 1.5 cm. Which player was taller--the one who left or the one who
joined the team? If one of them was 179 cm tall, how tall was the other player? (with explaination)
Answers
Step-by-step explanation:
the average height before the leaving of a player was 181cm
but after his leave a new player was added and thus there was rise in 1.5cm
Now, the average is 182.5cm
this increased due to new player
thus, new player was taller
as the height of one player 179 then,
the other player was 182.5- 179= 3.5 cm tall
THUS, THE NEW PLAYER IS TALLER THAN THE LEAVING ONE
AND THE HEIGHT OF OTHER PLAYER IS 3.5CM TALLER.
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Answer:
186.5 cm
Step-by-step explanation:
5 players' average = 181 cm
Total of height = 181*5 = 905 cm
After the change, the average
- 181 +1.5= 182.5 cm
New joiner is taller as his height affected the average by increase.
If the one who left was 179 cm tall, then
Height total of 4 players changed:
- 905 - 179 = 726 cm
Since new average was 182.5 cm, the new total
- 182.5*5 = 912.5 cm
The difference of the two totals:
- 912.5 - 726 = 186.5 cm is the height of the new player