Algebra math readiness

Question

A man puts a rectangle pool in his yard,in space which is 50 feet by 35 feet. There is a slate title area 5 1/2 feet wide around the entire perimeter of the pool. The pool and the tile area take up the entire 50 foot by 35 foot space. Write the dimensions of the pool in the form”length by width” remember to consider the longer side as the 5 1/2 ft length

Answer 1

39 by 24 feet

50-2(5 1/2)= 39

35- 2(5 1/2)= 24