If each team in a ten-team league play each of the other teams four times in a season, how many league games are played during one season? what geometric figures can you use to model teams and games played?

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?