Jackson's age is 9 divided by one-quarter of his age.

How old is Jackson?


Solution to the Problem:

         Jackson is 6 years old.

Let x = Jackson's age.
Then x = 9 / (1/4 x)
So, x = 9 / (x/4)
Then x = 36 / x
x2 = 36
x = 6 or -6.


Correctly solved by:

1. James Alarie Flint, Michigan
2. Chad Fore Gate City High School,
Gate City, Virginia
3. John Funk Ventura, California
4. Greg Weymann ----------
5. Alexandre Roux France
6. David & Judy Dixon Bennettsville, South Carolina