For 5 days, Sam put 4$ into his savings account each day. His parents also added a certain amount of money to the account each day. In the end, there was a total of 40$ in the account. How much money did Sam's parents add each day?

The area of a square floor on a scale drawing is 64 square centimeters, and the scale drawing is 1 centimeter: 3 ft. what is the area of the actual floor? what is the ratio of the area in the drawing to the actual area? the area of the actual floor is square feet. the ratio of the area in the drawing to the actual area is 1 square centimeter: square feet.