For each notebook, the shopkeeper gets Rs. 4 as profit and for each pen, he loses 20 paise. The total profit he made was Rs. 40. If he sold 100 pens during that period, find the profit earned on notebooks. [Assume he only sold notebooks and pens during that period; Answer in terms of a number]

For each notebook, the shopkeeper gets Rs. 4 as profit and for each pe

1.	For each notebook, the shopkeeper gets Rs. 4 as profit and for each pen, he loses 20 paise. The total profit he made was Rs. 40. If he sold 100 pens during that period, find the profit earned on notebooks. [Assume he only sold notebooks and pens during that period; Answer in terms of a number]
Answer» For each notebook, the shopkeeper gets Rs. 4 as profit and for each pen, he loses 20 paise. The total profit he made was Rs. 40. If he sold 100 pens during that period, find the profit earned on notebooks. [Assume he only sold notebooks and pens during that period; Answer in terms of a number]

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For each notebook, the shopkeeper gets Rs. 4 as profit and for each pen, he loses 20 paise. The total profit he made was Rs. 40. If he sold 100 pens during that period, find the profit earned on notebooks. [Assume he only sold notebooks and pens during that period; Answer in terms of a number]

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