Since 8 men in 24 days can reap 80 hectares.
∴ 1 men in 24 days can reap 80 / 8 hectares.
∴ 1 men in 1 days can reap 80 / 8 x 24 hectares.
∴ 36 men in 1 days can reap 80 x 36 / 8 x 24 hectares.
∴ 36 men in 30 days can reap 80 x 36 x 30 / 8 x 24 hectares.
∴ 36 men in 30 days can reap 10 x 36 x 30 / 24 hectares.
∴ 36 men in 30 days can reap 10 x 3 x 30 / 2 hectares.
∴ 36 men in 30 days can reap 10 x 3 x 15 hectares.
∴ 36 men in 30 days can reap 450 hectares.
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