Two men working together can complete a job in 1 hour 20 minutes. the first man working alone can complete the task in two hours. how long will it take the second man to finish the job if he worked alone

Sherrie is baking a pie for her family. she leaves the room and comes back to 35% of the pie having been eaten before she can put the topping on. how much 1 square inch strips of dough will she need for the top, now that a portion is missing? round your answer to the nearest while nimber.