Respuesta :

Elenas fastest speed was in the first hour where she traveled 3 miles, in all the other hours she traveled 2 miles. Answer: her fastest speed was 3 miles per hour

Answer: 3 mph.

Step-by-step explanation: If you follow the graph, it shows that in 1 hour she traveled about 3 miles, and in 2 hours, she traveled about 5 miles, and in 3 hours she traveled about 6 miles, and finally, in 4 hours, she traveled 9 miles.

Hope this helped.