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