Asked by Joseph
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
Answers
Answered by
oobleck
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 ...
So, add 'em up and divide by 3.
The only trick is figuring out how old Paul is ...
Answered by
John stanard
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