Alarge office desk has an area of 42 ft^2. if the width is 3.5 feet, write an equation to represent the area

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%