Ononot — A shopkeeper has three types of tea. Type A costs \10/kg, Ty

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Ratios & Percentageshard

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A shopkeeper has three types of tea. Type A costs $\$ 10/kg $, Type B$ $15/kg $, and Type C$ $20/kg $. He mixes them in ratio$ 1:2:3 $. If he sells the mixture at$ $18/kg$, what is his profit percentage?