Respuesta :
Average rate = 260/4 = 65 mph
It increases by 12mph
So 65+12 = 77 mph
Correct option A
It increases by 12mph
So 65+12 = 77 mph
Correct option A
A)77mph. The train was going 65 mph at first . It increased by 12mph. 65 +12 =77.