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A trader stocks two brands of rice A and B. The rice is packed in packets of the same size. The trader intends to order fresh supplies but his store can accommodate a maximum of 500 packets. He orders at least twice as many packets of A as of B. He requires at least 50 packets of B and more than 250 packets of A. If he orders x packets of A and y packets of B,
(a) Write the inequalities in terms of x and y which satisfy the above information.
(b) On the grid provided represent the inequalities in part (a) above