On a school field​ trip, the bus travel 21 miles in 30 minutes. Find the speed of the bus in miles per hour. Use the equation dequals=​rt, where d is​ distance, r is​ rate, and t is time. The speed of the bus is miles per hour.

Respuesta :

d=rt translates into 21miles=(r)30minutes
If you don't have to show your work the answers 42MPH
If you do, comment and I will write it out