two kinds of rice, 1st costs rs.13 per kg and 2nd costs rs.19 per kg are mixed together. find the ratio in which the 2 types are mixed so that the mixture costs rs.14.2 per kg?

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two kinds of rice, 1st costs rs.13 per kg and 2nd costs rs.19 per kg are mixed together. find the ratio in which the 2 types are mixed so that the mixture costs rs.14.2 per kg?

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