ECZ 2010 · O-Level Paper 2 · Question 11 — Linear Programming

Answer the whole of this question on a sheet of graph paper. Mr Simukadi intends to buy a total of 500 scratch cards from Unitel and Bitel. He decides to buy Bitel scratch cards which must be at least one third of Unitel scratch cards. He wants to buy at least 150 Bitel scratch cards and not more than 300 Unitel scratch cards. Let x be the number of Unitel scratch cards and y be the number of Bitel scratch cards.

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