Respuesta :
You need miles per hour.
Miles divided per hour.
Divide the distance by the time.
(501.9 mi)/(21 h) = 23.9 mph
Miles divided per hour.
Divide the distance by the time.
(501.9 mi)/(21 h) = 23.9 mph
To find the unit rate divide total miles by total hours:
501.9 / 21 = 23.9 miles per hour