If you walk at 5 km/h down the aisle to towards the front end of a train that moves at 70 km/h, what is your speed relative to the ground?

26.4 is about the right time

Is there a picture to go along with this

The purpose of a lab is to do your "expirements" the importance of the topic is so you can now what the story is about and the last one is because no one is me with my question ( what is 3 over 4 x - 9 = 27 maybe you can )