document.write( "Question 1102076: the average mass of 12 mangoes was 1.5 kg. mr ahmed bought them for rs.81. how much was 1 kg of mangoes? \n" ); document.write( "
Algebra.Com's Answer #803872 by CubeyThePenguin(3113)\"\" \"About 
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total mass = (number of mangoes) * (avg mass) = (12)(1.5) = 18 kg\r
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\n" ); document.write( "\n" ); document.write( "cost per kg of mangoes = (81 rs)/(18 kg) = 4.5 rs/kg
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