A pool company needs to make a cover for an in-ground pool. The pool cover is made up of the triangle PQT and the parallelogram MNPR. How many square feet of fabric will the company need to cover the pool?

1. isolate the variable, in this case, d. subtract 35.5 on both sides of the equation.2. 52 subtracted by 35.5 is 16.53. therefore your answer would be d= 16.5this is the basics of pre algebra, isolating variable through adding, subtracting, multiplying, and dividing, if you have any other questions to ask just comment!