Al and Sarah are raking the yard. Al can rake the entire yard in 5 hours while it takes Sarah 9 hours to rake the yard. How long will it take Al and Sarah to rake the yard together? Choose the equation that should be used to solve this problem and state the solution. O+= 1.6 hours - += 1; Approximately 0.4 hours. O+=1; 3.2 hours 10+2 = 1: 14 hours