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Home > AC > Chapter 4 > Lesson 4.2.1 > Problem 4-73


Gale and Leslie are engaged in a friendly -mile bike race that started at noon. The graph below represents their progress so far.

  1. What does the intersection of the two lines represent?

  2. At what time (approximately) did Leslie pass Gale?

  3. About how far had Leslie traveled when she passed Gale?

  4. What do you think happened to Gale between 1:30 and 3:00?

  5. If Leslie continues at a steady pace, when will she complete the race?

Find the intersection point on the graph.
The lines represent the distance and time of the riders.
Knowing this, what does the intersection mean?

Leslie passes Gale.

Look at the intersection point and then find the corresponding time at the bottom of the graph.

About 2:00.

Find the intersection point and then look at the corresponding distance on the side of the graph.

About miles.

Answers will vary, but should have something to do with Gale stopping.

Estimated to be at 6:40.