Question
A fruit stall had 3 times as many chikoos as grapefruits. After 10 chikoos were sold, the number of grapefruits became twice the number of the remaining chikoos. How many chikoos were there at the fruit stall at first?
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A fruit stall had 3 times as many chikoos as grapefruits. After 10 chikoos were sold, the number of grapefruits became twice the number of the remaining chikoos. How many chikoos were there at the fruit stall at first?