Question

a girl rides a bycycle for 10 kmph for 1 hour and 15 kmph for next 3 hours find distance and average speed​

Answer 1

Answer:

13.7

Explanation:

we have 4 speeds

10,15,15,15

to find the average we need to add these and then divide by the number of observation

so it would be 55/4

therefore the answer is 13.7