Question

a boy enjoyed rest from 9:00 am to 9:30am he goes out of house at 9:30am and runs at a uniform speex of 10km/h find his average speed from (a) 9:00am to 10:00am (b) 9:15 am to 10:00am​

Answer 1

Answer:

a.5km per hour

b.7.5 km per hour