Question
PSLE
Mark and Erika have some buttons. After Mark gives 48 buttons to Erika, he has 20 buttons more than her. How many more buttons than Erika does Mark have at first?
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PSLE
Mark and Erika have some buttons. After Mark gives 48 buttons to Erika, he has 20 buttons more than her. How many more buttons than Erika does Mark have at first?