Question
In a box, there are some mangosteens and kiwis. If 90 more kiwis are put into the box, the percentage of mangosteens will decrease from 70% to 40%. How many mangosteens are there in the box?
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In a box, there are some mangosteens and kiwis. If 90 more kiwis are put into the box, the percentage of mangosteens will decrease from 70% to 40%. How many mangosteens are there in the box?