SOLUTION: john is twice the age of bill . sum is greater than 21 . find youngest possible age of both

Algebra ->  Customizable Word Problem Solvers  -> Age -> SOLUTION: john is twice the age of bill . sum is greater than 21 . find youngest possible age of both       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 693144: john is twice the age of bill . sum is greater than 21 . find youngest possible age of both
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
john is twice the age of bill. sum is greater than 21 .
find youngest possible age of both
:
j = 2b
:
j + b > 21
Replace j with 2b
2b + b > 21
3b > 21
b > 21/3
b > 7
:
Bill's age at least 8, then John's age at least 2(8) = 16