Question
The mass of one durian and 6 chikoos is 3.9 kg. The durian is 2.57 kg heavier than each chikoo. Find the mass of one chikoo.
3 m

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The mass of one durian and 6 chikoos is 3.9 kg. The durian is 2.57 kg heavier than each chikoo. Find the mass of one chikoo.