Question
A fruit stall had 2 times as many grapefruits as passion fruits. After 20 grapefruits were sold, the number of passion fruits became thrice the number of the remaining grapefruits. How many passion fruits were there at the fruit stall?
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A fruit stall had 2 times as many grapefruits as passion fruits. After 20 grapefruits were sold, the number of passion fruits became thrice the number of the remaining grapefruits. How many passion fruits were there at the fruit stall?