Respuesta :
Answer: 39.09 km per hour average
Step-by-step explanation:
add total distance and divide by total time
(30+400)/(5.5+5.5)
430/11=39.0909
Answer: 39.09 km per hour average
Step-by-step explanation:
add total distance and divide by total time
(30+400)/(5.5+5.5)
430/11=39.0909