Problema Solution
Lily took 57 seconds to walk from classroom to library. If the distance between the classroom and library was 38 m, at what average speed did Lily walk in m/min?
___ m/min
Answer provided by our tutors
let
d = 38 m the distance Lily walked
t = 57 s = 57/60 min the time of the walk
v = the average speed
v = d/t
v = 38/(57/60)
v = 40 m/min
click here to see the step by step calculation:
Lily walked at an average speed of 40 m/min.