Question
PSLE
Ken and Gabby have some pens. After Ken gives 47 pens to Gabby, he has 12 pens more than her. How many more pens than Gabby does Ken have at first?
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PSLE
Ken and Gabby have some pens. After Ken gives 47 pens to Gabby, he has 12 pens more than her. How many more pens than Gabby does Ken have at first?