SOLUTION: the average mass of 12 mangoes was 1.5 kg. mr ahmed bought them for rs.81. how much was 1 kg of mangoes?

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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?
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
total mass = (number of mangoes) * (avg mass) = (12)(1.5) = 18 kg

cost per kg of mangoes = (81 rs)/(18 kg) = 4.5 rs/kg