First of all, how far away is Paris from the Louvre?
A cyclist travels from Paris to the Louvre at an average speed of x km/h.
find the time taken in term of x ?
On his return journey from louvre to Paris, he decreases his average speed by 3 km/h.
Find the time taken in return journey in terms of x ?
if the difference between the times is one hour 20 minutes,
find the value of x ?