The engineering team built a 12 kilometer long highway, which took two fifths of the total length in four days. On average, what percentage of the road is built every day? On average, the road is built every day

Daily = 2 / 5 △ 4 = 1 / 10
Daily = 12 × 1 / 10 = 1.2km

The engineering team needs to repair a 2km long highway in eight days. How many parts of the road and how many kilometers do they need to repair every day?

Regarding a highway as a whole, it needs to be repaired in eight days,
Every day to repair 1 △ 8 = 1 / 8, every day to repair one eighth
The road is long and needs to be repaired in eight days,
25 km per day,
A: one eighth of a day, 0.25 km

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