Out of 10 teachers in a school, 1 (one) teacher retires and a new teacher 25 years old joins. As a result, the average age of teachers in the school reduces by 3 years. The age of the retired teacher (in years) is?

s

step-by-step explanation:

0.85% : )

step-by-step explanation:

irrational, then, just means all the numbers that aren't rational. every integer is a rational number, since each integer n can be written in the form n/1. however, numbers like 1/2, 45454737/2424242, and -3/7 are also rational, since they are fractions whose numerator and denominator are integers.

step-by-step explanation:

answer is because 4×10=40

and 98×4= is 392

40,392