Question

in a school of calss 9 has 8 student age of 13 yrs,9 student of 14 yrs,3 student of 16 yrs, and 4 student of 18 yrs.what is the average age of the total student

Answer 1

Step-by-step explanation:

(8*13+9*14+3*16+4*18)/24

= (54+126+48+72)/24

= 300/24

=12.5

Answer 2

Answer:14 years 7 months

Step-by-step explanation: