Question

on a journey of 250 km, a driver calculated that by his average speed by 5km/h, he would take 25 minutes less. find his usual average speed, correct to 2 decimal places.​

Answer 1

Answer:

Step-by-step explanation:

average speed = total distance travelled/ total time taken

=  (25+250+5) km

= 280 km

25/5+250/25+5/5

= 12 km