Question
The average mass of 2 watermelons and 5 durians is 3.2 kg. The average mass of each durian is 2.9 kg. The difference in mass between the 2 watermelons is 80 g. Find the mass of the heavier watermelon. (Give your answer in kg and g.)
3 m

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The average mass of 2 watermelons and 5 durians is 3.2 kg. The average mass of each durian is 2.9 kg. The difference in mass between the 2 watermelons is 80 g. Find the mass of the heavier watermelon. (Give your answer in kg and g.)