9-3 divided by 1/3 + 1

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?

Identify one charcteristic of exponential growth