John had some money in his savings account. He donated 1/6 of his money to charity. If he donated $75 dollars to charity, how much was in John's savings account

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.