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Mathematics, 14.10.2019 13:50 jaylin50

3type of beans, whose prices per kg are respectively $15m,$25 and $30 are to be taken 2 at a time and mixed in the same proportion so that the resulting mixture are of equal value. how many they be mixed and the price /kg for resulting mixture. (ans; 2: 3, $21/kg

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3type of beans, whose prices per kg are respectively $15m,$25 and $30 are to be taken 2 at a time an...
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