Question

A swimming pool and deck are built in a rectangle with length 40 ft and width 18 ft. If the pool itself is 320 square feet, what is the area of the deck itself?

A) 320 square feet
B) 400 square feet
C) 480 square feet
D) 560 square feet

Answer 1

40 x 18 = 720 square feet

720 - 320 = 400 square feet

Answer is B