200 labors need 50 days to construct a road of 4 km long.How many labors are needed to construct 8 km long road in 80 days?
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Answer:
Step-by-step5 explanation:
50 days 4 km = 200 labours
1 day 1 km = 200x50/4 labours
80 days 8 km = 200x50x8/4x80
= 8000/320
=250 labours
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