Two-fifths 2589

The cycling stage rises on two-fifths of the length of the route and decreases to 2/8. The rest of the stage is flat. How many km does the stage measure if the ascent is 4 km longer than the descent?

Correct answer:

e =  26.6667 km

Step-by-step explanation:


2/5 e = 4 + 2/8 e

2/5·e = 4 + 2/8·e

6e = 160


e = 160/6 = 26.66666667

e = 80/3 ≈ 26.666667

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