Average speed - Wiki

  • #averagespeed
    • The distance around a running track is 400 m. Ali took 10 minutes to walk around the running track twice. What was Ali's average walking speed?
      • #averagespeed

        Total distance

        400 `xx` 2 = 800 m

        walking speed per min

        800 `-:` 10 = 80 m/min