Sharon drove 188.3 miles to see a softball game. If she was driving for 3 1/2 hours, what was her average rate of speed?

The average rate of speed = 53.8 mph

Step-by-step explanation:

Sharon drove 188.3 miles.

She was driving for 3 1/2 hours = 7/2 = 3.5hours

To find the average speed simply divide the miles she drove by driving hours:

188.3/3.5

53.8 mph.

Therefore the average rate of speed = 53.8 mph ...