Respuesta :

Answer:

  • B. From 1 to 2 hours.

Step-by-step explanation:

On the graph, the hour her speed was the greatest was 1 to 2 hours.

Look above the 1 and 2 points. The highest speed is over the 1 and 2.

The rest were lower, so your answer is 1 to 2 hours. (B).