How do you solve this complex fraction

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

One integer is 8 times another. if the product is 72, then find the integers

If you measured the width of a window in inches and then in feet with measurement would you have the greater number of units