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Fizz×6

Algebra Level 2

A car covers the 1st half of the distance between two places at the speed of 40 km/ h and 2nd half with 60 km / h . What is the average speed of the car in km/ h?

Excel in math and science

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It's hard to learn from lectures and videos

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Our wiki is made for math and science

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including olympiad champions, researchers, and professionals.

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by Jai Gupta

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