Respuesta :
Answer:
40 mph
Step-by-step explanation:
s = d/t
a to b's distance = 180 miles
7:30 - 12pm = 4.5 hours (time)
speed = 180 ÷ 4.5
speed = 40
40mph because it is 180 miles away and it took him 4.5 hours u divide 180 by 4,5