Question
Pamela and Hazel have some pens. If Pamela gives 21 pens to Hazel, Hazel will have 4 times the number of pens as Pamela. If Hazel gives 30 pens to Pamela, Pamela will have 25 as many pens as Hazel. How many pens does Pamela have at first?
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Pamela and Hazel have some pens. If Pamela gives 21 pens to Hazel, Hazel will have 4 times the number of pens as Pamela. If Hazel gives 30 pens to Pamela, Pamela will have 25 as many pens as Hazel. How many pens does Pamela have at first?