Tiara is already 6 miles down the road, bicycling at 12 mph, when Dmitri starts down the same road, cycling at 16 mph. According
to the graph, after how many hours do they meet, and how many miles are they from their starting point? How much time passes before Tiara and Dmitri meet?
When Tiara and Dmitri meet, how far are they from their starting point?
