- WordPress.com what ratio must a grocer mix two varieties of tea worth Tk. 60 a kg and Tk. 65 kg so...
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- WordPress.com what ratio must a grocer mix two varieties of tea worth Tk. 60 a kg and Tk. 65 kg so that by selling the mixture at Tk. 68.20 a kg he may gain 10%? Tk(kgg 65 68.20