mathematics

seeds of type a and b are sold in packets each containing both type a and b seeds
at last twice the number of twice b seeds as there are in type a seeds and no more than 12 seeds
a) using a scale of 1cm for each unit on both axis draw a graph n the axis to represent the inequalities
b) if the profit of 30 cent is made on the sale of x shirt and 60 cents on type y, determine the packet of seeds on which maximum profit will be made

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