17. A group of college students is volunteering for Homes for the Community during their spring break. They are putting the finishing touches on a house they built. Working alone, Wade can paint a certain room in 5 hours. Rhonda can paint the same room in 4 hours. How long will it take them working together to paint the room? Round your answer to the nearest hundredth if necessary. (1 point)
2.22 hours
4.5 hours
20 hours
0.11 hours
2.22 hours
4.5 hours
20 hours
0.11 hours