Mrs browns class can earn 5 minutes of extra recess for each marble she puts in a jar. the class has 15 minutes of recess each morning. how many minutes will they get if they earn 3 marbles

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.