A car left Lahore at 7.12 am and arrived at certain place, 180 miles distant at 10.57 am. What was its average speed in miles per hour?
A car left Lahore at 7.12 am and arrived at certain place, 180 miles distant at 10.57 am. What was its average speed in miles per hour?
Explanation
Total time = 3 hr 45 min (we have to convert 45 min in hr so
3+45/60 hr
now avg sp = (180 × 60)/×225
= 48 miles/hr