Question
PSLE
Ivan had 36 more buttons than Andy at first. Andy gave 11 of his buttons to Ivan. Ivan now has 3 times as many buttons as Andy. How many buttons did Andy have at first?
3 m

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PSLE
Ivan had 36 more buttons than Andy at first. Andy gave 11 of his buttons to Ivan. Ivan now has 3 times as many buttons as Andy. How many buttons did Andy have at first?