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August 11th, 2011, 10:49 PM   #1
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Average speed problem

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 ?
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August 11th, 2011, 11:14 PM   #2
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Re: Average speed problem

A cyclist travels from Paris to the Louvre at an average speed of x km/h.
find the time taken in term of x ?

Let d be the distance from Paris to the Louvre.



On his return journey from the 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 ?







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