Neco Model Questions Vol1 2017 Geography Question 48
Practice objective / multiple choice question 48 from the 2017 Neco Model Questions Vol1 Geography examination.
A farmer has 5 ha of land that requires a total of 120 kg of nitrogen per hectare. He can buy NPK fertilizer (20\% N) at \(\text{N}\)500 per 50‑kg bag and urea (46\% N) at \(\text{N}\)400 per 50‑kg bag. He wants to meet the nitrogen requirement exactly using a combination of the two fertilizers while minimising total cost. How many bags of NPK and how many bags of urea should he purchase?
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About This Question
This is Neco Model Questions Vol1 2017 Geography Question 48. It is one of the objective questions from the 2017 Neco Model Questions Vol1 Geography examination.
Difficulty level: Hard .
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