3. All faces of a table top with the given dimensions (width:20, length:22, height:1)are going to be painted. Which of the following is the surface area of the table top?

Question

A. 440
B. 524
C. 880
D. 964 my answer

4. How much less surface area of the table will be painted if the underside remains unpainted?
A. The surface area will be 22 square inches less. my answer.
B. The surface area will be 88 square inches less.
C. The surface area will be 440 square inches less.
D. The surface area will be 880 square inches less.

Answer 1

3 is right. 4 is wrong.

Answer 2

4 should be C

Answer 3

Thanks!