Math, asked by my9312652, 6 months ago

The average age of 25 boys in a class decreases by 6 months when a new boy takes the place of a 20 yr old boy. Find the age of new boy.
(1) 7 yr
(2) 7.5 yr
(3) By
(4) 8.5 yr

Answers

Answered by Happiness07

0

Answer:

7.5 years.

Mark as brainliest please.

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