Question

You arrive to science class 45 seconds after leaving math which is 90 meters away. how fast did you travel?

Answer 1

Speed = distance/time
Speed = 90 meters/45 seconds
Simplify the above answer
Speed = 2 meters/second
You can double-check this: You walk 2 meters per second, so multiply 2 by 45 (that is how many seconds), and you get 90.