Question

average age of first three children in a class is 13.5 years. if the sum of the ages of the first two children is 25 years, then what is the age of the third child​

Answer 1

Answer: 15.5

Step-by-step explanation:

Answer 2

Step-by-step explanation:

let ages be x,y,z

x+y+z/3=13.5

x+y+z=40.5

x+y=25

z=15.5yrs