Question

a boat travels 4 miles, slows down and travels 2 more miles, then reverses and travels 1.5 mile. at what time in this trip did the boat turn around? 40 minutes 60 minutes 20 minutes 10 minutes

Explanation:

Step1: Analyze the graph

The boat turns around when the distance starts to decrease.

Step2: Locate the point

On the graph, at 40 minutes, the distance stops increasing and begins to decrease.

Answer:

40 minutes