Question

the average age of 3 boys is 12 years. if one boyis 10 years old,the average age of other 2 boys is
pls give the methhood

Answer 1

Answer:

13

Step-by-step explanation:

a+b+c÷3=12

a+b+c=12×3=36

if a=10,

10+b+c=36

b+c=36-10=26

b+c=26

b+c÷2=26÷2=13