Question

The average age of a class of 20 students is
20 years. If a new student, whose age is 20 years,
joins the class, find the new average age of the
class (in years)​

Answer 1

Answer:

20 yrs average (new

Step-by-step explanation:

20 students - 20

so the total age of 20 students = 20*20 = 400

new child with age 20 added

new total age of 21 students = 420

new average = 420/21 = 20

hope you understand this.

pls mark brainliest