Answer:
number of men = 30
Step-by-step explanation:
18 men takes 15 days to dig 6 hectares of land.
18 men will take 12 days to dig ? hectares of land
cross multiply
hectares of land = 12 × 6/15
hectares of land = 72/15
hectares of land = 4.8 hectares
18 men will take 12 days to dig 4.8 hectares of land
? number of men will take 12 days to dig 8 hectares
cross multiply
number of men = 18 × 8/4.8
number of men = 144/4.8
number of men = 30
