Sally's average grade in math is a 76 ,but this is not her final grade. sally takes her math exam she got a 61 % and the final is 20% of her grade .what is her final grade?

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.