Question

When Rafiq left home on a business trip

he noted that the odometer on his car
read 47,823. He drove 3 h 15 min and
then noted that the odometer read
48,017. Find his average speed in miles
per hour.

Answer 1

He travelled : 48017 - 47823 = 194 (miles)

15 mins = 1/4 hours => 3h 15min = 3 1/4 hours = 13/4 hours

So, he travelled at an average speed of 194 : 13/4 = 59 (miles/h)