Mr. knotts found the difference of the following expression. which statement is true about mr. knotts work? x/x^2-1-1/x-1

Find the percent cost of the total spent on each equipment $36, fees $158, transportation $59 a. 14%, 62%, 23% b. 15%, 60%, 35% c. 10%, 70%, 20% d. 11%, 62%, 27%