Ask a New Question
Menu

John who is 15 years old, is 3 years older than his younger brother Paul. If James their brother is 21years old. What is the average of the three brothers

2 answers

the average of three numbers is just 1/3 of their sum.
So, add 'em up and divide by 3.
The only trick is figuring out how old Paul is ...
Parents
Similar Questions
  1. On Dik 's birthday, his brother Harry is seventeen years youngerthan three times 's age. The boys father, Tom, is twelve years
    1. answers icon 1 answer
  2. On 's birthday, his brother Harry is seventeen years youngerthan three times 's age. The boys father, Tom, is twelve years older
    1. answers icon 1 answer
    1. answers icon 1 answer
  4. Mary is y years old.Write an algebraic expression in terms of y for the age of A) her brother, who is 4 years older. B) her
    1. answers icon 3 answers
more similar questions