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Barry travels at an average speed of 60kmph, the journey will take 40min longer then if he traveled at 15kmph faster?

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Barry is driving back home to Sue after a weekend away. If he travels at an average speed of 60kmph, the journey will take 40min longer then if he traveled at an average speed of 15kmph faster.

How far apart have Barry and Sue been this weekend?

posted Mar 22, 2018 by anonymous

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1 Answer

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D/60 - D/75 = 2/3
D (15/(60×75)) = 2/3
D = (2/3) × (75×4) = 200 Km.
So Barry and Sue are 200 Km away from each other.

answer Mar 22, 2018 by Tejas Naik



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