While travelling, john left destination a at 9 am. driving until 7 pm, he travelled a total of 500 miles. the next day, john left at 9 am and drove until 5 pm, covering 270 miles. what was the average speed for both days, while driving?

42.78 miles per hour.

Step-by-step explanation:

Given: For first day,

Distance miles

Time hours

For  next day

Distance miles

Time hours

For both days,

Total distance = miles

Total time taken =hours

Now, the average speed for both days, while driving will be

Hence, the average speed for both days, while driving = 42.78 miles per hour.