Respuesta :
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.
Answer:
his is 234/4.5 and the units are miles/hr, which is a unit of speed
=52 mph
Step-by-step explanation: