Letting bat cost ₹x and ball ₹y gives 7x + 6y = 8880 and 3x + 5y = 4000. Multiplying and eliminating yields 17x = 20400, so x = 1200 and y = 80. A bat costs ₹1200, a ball ...
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Letting bat cost ₹x and ball ₹y gives 7x + 6y = 8880 and 3x + 5y = 4000. Multiplying and eliminating yields 17x = 20400, so x = 1200 and y = 80. A bat costs ₹1200, a ball ...