Question
A fruit stall had 5 times as many kiwis as mangosteens. After 4 kiwis were added, the number of kiwis became 20 more than the number of mangosteens. How many mangosteens were there at the fruit stall at first?
4 m

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A fruit stall had 5 times as many kiwis as mangosteens. After 4 kiwis were added, the number of kiwis became 20 more than the number of mangosteens. How many mangosteens were there at the fruit stall at first?