Respuesta :

ellecryss

average speed : 50.28 mph

asq5898

Answer:

Either this: Distance=243 miles

Time=4.5 sec

Speed= Distance/time

Speed=243/4.5

Speed=54 miles/hours

or this: his is 234/4.5 and the units are miles/hr, which is a unit of speed

=52 mph

Step-by-step explanation:

Let me know which is correct