Answer and Explanation
Your Answer is
Correct Answer is B
Explanation
The length of the swimming pool is 40-2×3=34, and the width is 30-2×3=24
41. A 3-foot-wide brick sidewalk is laid around a rectangular swimming pool. The outside edge of the sidewalk measures 30 feet by 40 feet, as shown in the figure below. What is the perimeter, in feet, of the swimming pool?
