You have to add the 480 dollars which eliminates A and C. Then, when finding commission you make the commission rate into decimal form which eliminates D. Your only option left is B
242-94 = 148 (length is 47 more than the width, you double the length to get the perimeter, so you double 47 which equals 94) 148/4 = 37 (4 being the 4 sides of the rectangle)
