SOLUTION: Amy's grandmother is exactly 6 times older than Amy.Is the age of amy's grandmother a prime number?

Algebra ->  Customizable Word Problem Solvers  -> Age -> SOLUTION: Amy's grandmother is exactly 6 times older than Amy.Is the age of amy's grandmother a prime number?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 1116813: Amy's grandmother is exactly 6 times older than Amy.Is the age of amy's grandmother a prime number?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Amy's grandmother is exactly 6 times older than Amy. Is the age of amy's grandmother a prime number?
---------------
6 times older = 7 times as old.
If the ages are 1 & 7, it's a prime number, but it's not likely there's a grandmother aged 7.
-----
o/w not.