The automatic car wash at a service station can wash 96 cars over a 4-hour period. what is the average number of cars that can be washed in 30 minutes?

a. 4
b. 12
c. 25
d.48

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.