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9 A shopkeeper earns a profit of 1 by selling a notebook and incurs a loss of 40 paise
per eraser while selling erasers of his old stock. In a particular month, he incurs a loss of
Rs 5. In this period, he sold 45 notebooks. How many erasers did he sell in this period

Step by Step Explanation please ​

Answer :

ishpreetsingh0087

Answer:

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Step-by-step explanation:

45 + 0.4x = 5 ⇒ x = 50. Therefore, the number of erasers sold is 50. The profit on a notebook is ₹1. So, the shopkeeper earns a profit of ₹45 from the 45 notebooks sold.

Step-by-step explanation:

Seller got Loss in a particular month= Rs 5

Profit gained by selling one pen = Rs. 1

Profit gained by selling 45 pens = Rs 45

45+x=−5⇒x=−50

So, a loss of Rs 50 has occurred while selling pencils.

No. of Pencils sold =50/0.40=125

She sold 125 pencils in this period.

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