Convert ratio into percent expression

3. Percent, Ratio, mg/mL, PPM, PPB 3.2) Ratio 3.2.1) Ratio - General Ratio - General Normal 1

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Type1: From Rat to Percent.
The strength of a medication is expressed as 1 : 160. Express this in percent strength

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lb equals 0.625 % kg

    1 : 160 means, 1 g of drug is present in each 160 mL of the solution.
    We need to determine the gram amount of drug present per 100 mL of the solution. `therefore (1 \quad g)/(160 \quad mL)=x/(100 \quad mL) therefore x = 0.625` Ans.