Question

a train has
equal to
4
6. David's average driving speed for 5 hours journey was 55 km/h. During his first two hours of journey,
he drove at 60 km/h, and last two hours he drove at 50 km/h. What was his speed for the fifth hour of the
journey?
A train 300 m long is travelling at 85 km/h Find the
1.
7

Answer 1

Answer:

6.110 km/ h

and my friend write other questions properly!!