Question

The average age of a group of 7 athletes is 22 years. An athlete whose age is 36 years joins the group. Will the average age increase or decrease? Find out by how much?
plz explain it!! ​

Answer 1

Average age=22

No of athletes = 7

Total age = 22×7 = 154

Age of the new athlete = 36

Total age now = 154 +36 = 190

No of athletes = 8

Average = 190÷8 = 23 3/4

Answer 2

Answer:

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Step-by-step explanation: