Now determine whether the ratios are equivalent. Make sure to use paper if needed. If you know it on the top of your head, give it a shot! 7) 10/9 and 4/5 = 8) 4/3 and 5/12 = 9) 12/7 and 11/10 =

Randy and trey take turns cleaning offices on the weekends. it takes randy at most 4 hours to clean the offices. it takes trey at most 6 hours to clean the offices. what is the greatest amount of time it would take them to clean the offices together? 2.4 hours 2.5 hours