Respuesta :

The answer is 3.15 because 2.1 x 1.5 = 3.15.
Hello There!

Multiply miles per hour by number of hours:
2.1 x 1.5 = 3.15.

He will hike 3.15 miles in 1.5 hours.

Hope This Helps You!
Good Luck :) 

- Hannah ❤