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