I need help 5 minutes left this is the last question trigonometry

You are designing a rectangular pet pen for your new baby puppy. you have 30 feet of fencing you would like the fencing to be 6 1/3 feet longer than the width

If u good at math hit me up on insta or sum @basic_jaiden or @ and

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?