Posted by Joel on November 03, 2002 at 23:33:38:
In Reply to: help anyone!!!!! posted by Brandon on November 03, 2002 at 22:51:50:
: A tourist walks n km at 4 km/h and then travels 2n at 36km/h on a bus. Express the total traveling time t (in hours) as a function of n.
: can someone help me solve this??
distance = velocity * time
Let distance = s
Let velocity = v
s = v * t
so t = s/v
in your case:
t = n/4 + 2n/36