Question
Xuan had a total of 139 chikoos and lemons. She sold one-fifth of the lemons and 31 chikoos. In the end, she had an equal number of chikoos and lemons left. Find the number of chikoos she had at first.
4 m

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Xuan had a total of 139 chikoos and lemons. She sold one-fifth of the lemons and 31 chikoos. In the end, she had an equal number of chikoos and lemons left. Find the number of chikoos she had at first.