Multiply 3 x 1.25. This gives you the area of the rectangle which is 3.75 in. It is a scale model where every in is equal to 4ft. Multiply 3.75 by 4. 15ft is the answer.
1/2 because the baker has 4 cups of strawberries after they make the cheesecake and the 4 cups divided between the 8 batches would equal 1/2 cup of strawberries in each batch