SOLUTION: Sheila noted that if she took her apartment number and increased it by 6,the result was a perfect square. She also noticed that if she decreased her apartment number by 6, the resu

Algebra ->  Test -> SOLUTION: Sheila noted that if she took her apartment number and increased it by 6,the result was a perfect square. She also noticed that if she decreased her apartment number by 6, the resu      Log On


   

Question 44176: Sheila noted that if she took her apartment number and increased it by 6,the result was a perfect square. She also noticed that if she decreased her apartment number by 6, the result was the square root of that perfect square. What is the apartment number?
Answer by vihits13(20) About Me  (Show Source):
You can put this solution on YOUR website!
the apartment number is 10. when you add 10 to 6, you get 16 which is a perfect square. if you subtract 6 from 10, you get 4 which is the square root of 16.
i just used guess-and-check to solve this.