Mathematics, 29.02.2020 03:24 kailahgranger
Oliver and Lenny started hiking a hill simultaneously from the bottom to the top. Oliver hiked at a speed of 5 km/h during the first half, then decreased his speed to 4 km/h during the second half. Lenny hiked at a speed of 4 km/h during the first half, then increased his speed to 5 km/h in the second half. Who reached the top of the hill first? What is the proportion of time he spent hiking to that of his friend?
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Oliver and Lenny started hiking a hill simultaneously from the bottom to the top. Oliver hiked at a...
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