Question
Fanny had just enough money to buy 90 pencils of the same price. She bought only 80 pencils for her students and had $120 left. What was the cost of one pencil?
3 m

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Fanny had just enough money to buy 90 pencils of the same price. She bought only 80 pencils for her students and had $120 left. What was the cost of one pencil?