A farmer wishes to prepare a $5$‑hectare field using a rotary tiller that is $0.6$ m wide and can travel at $5$ km h$^{-1}$. The farmer wants the field ready in $6$ hours. (i) Assuming each tiller works continuously with no overlap, calculate the minimum number of tillers required. (ii) If each tiller costs ₦250 000 and the farmer's budget is ₦600 000, state whether the plan is feasible. (iii) If the plan is not feasible, determine the maximum area (in hectares) that can be prepared within the $6$-hour limit using the number of tillers that can be purchased.

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3 tillers required; not feasible within budget; with 2 tillers the maximum area that can be prepared in 6 h is 3.6 ha.

Gce Model Questions Vol1 2025 Agricultural Science Question 6

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