Respuesta :

ma5007482

Answer:

Step-by-step explanation:

Distance=243 miles

Time=4.5 sec

Speed= Distance/time

Speed=243/4.5

Speed=54 miles/hours

If you need to ask any questions, please let me know.

goobttv

Answer:

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

=52 mph

Step-by-step explanation: