Question
Min and Mary have some erasers. If Min gives 40 erasers to Mary, Mary will have 5 times the number of erasers as Min. If Mary gives 25 erasers to Min, Min will have 35 as many erasers as Mary. How many erasers does Min have at first?
4 m

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Min and Mary have some erasers. If Min gives 40 erasers to Mary, Mary will have 5 times the number of erasers as Min. If Mary gives 25 erasers to Min, Min will have 35 as many erasers as Mary. How many erasers does Min have at first?