Question

A farmer sells corn that he grows in a square field. Each side of the field is 40 meters long , and he plans to extend the side lengths by 3 meters each year so he can plant more corn. How can the farmer use this information to calculate the area of the field, A, A after t years?

Answer 1

3t+40=A

he starts with 40, so you add that to 3 t (3 meters every year-t)

Answer 2

The answer is (3 +40)(3t+40)=A