Jamar spent 1/2 of his weekly allowance on entertainment and put 1/3 of it in the bank

What fraction of Jamar’s allowance does he have left to spend?

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.