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40 votes
40 votes
Helen has a 4 kilometer-head start on París how long will it take París to catch Helen if helen travels at 6 kilometers per hour and París traveled at 8 km per hour

User WebStuff
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1 Answer

12 votes
12 votes

The Solution:

Let the distance covered by Paris be x (in kilometers).

So that the distance covered by Helen x-4 (in kilometers)

So, the difference in the distance covered by Helen and Paris is


D=x-(x-4)=x-x+4=4kilometers_{}

Now, we shall find the difference in the time taken by Helen and Paris.


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User Neil Hoff
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