3. Dina drove 625 miles in 8 hours. Kris drove 575 miles in 10 hours. Who drove at a faster rate?
Fill in the blanks to compare the rates of speed for Dina and Kris.
miles per hour faster than
's rate is 10
's rate.

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