Charlotte spent 1/2 of the day at the shopping mall . she spent 1/4 of the day trying on jeans . what fraction of the the day did she spend trying on jeans

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.