Question

17. The average age of 15 boys is decreased by 3 months
when one boy aged 14 years is replaced by a new boy
Find the age of the new boy.
145 CASE 2
E 30 14​

Answer 1

Step-by-step explanation:

1.A

2.N

3.S

4.W

5.E

6.RRRRRRRRRRRRRRRRRRRR

Answer 2

Step-by-step explanation:

(15×3) months= 45 months

(14×12)=168 months

168-45=123 months

123 months= 10 years 3 months