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