Question
A fruit stall had 3 times as many mangosteens as passion fruits. After 15 mangosteens were sold, the number of passion fruits became twice the number of the remaining mangosteens. How many passion fruits were there at the fruit stall?
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A fruit stall had 3 times as many mangosteens as passion fruits. After 15 mangosteens were sold, the number of passion fruits became twice the number of the remaining mangosteens. How many passion fruits were there at the fruit stall?