At a cafe,there are three sizes of coffee drinks regular(300ml),large(500ml),XL(800 ml)and they cost rupees 225, rupees 325 and rupees 575 respectively.on a particular afternoon ,37 coffees were sold.The total cost was rupees 13325.How many of each size of drinks did customers buy that afternoon. (Solve it using Cramer's rule) 1
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