A Shopkeeper earns a profit of $2 by selling a pen and incurs a loss of 50 paise per pencil and loss of 15 paise per eraser while selling pencils and erasers of old stock. On the particular day, he earns a profit of $10. If he sold 10 pens and the number of pencils and erasers are in ratio 7:10, then find the number of pencils and erasers he sold on that day????
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Answers
Step-by-step explanation:
She sold 45 pens that month
this means she made a profit of 45*2= Rs. 90
but
As per Question she made a loss of Rs. 10
=> she made a total loss of 90-x=-10
x=Rs. 100
it is given that she incurs a loss of 50 paise per pencil
=> She sold 100÷1/2
= 100×2=200
Therefore she sold 200 pencils that month
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