A shopkeepet 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 eraser of old stock. On a particular day, he earns a profit of ₹10. If he sold 10 pens and the number o pencils an eraser he sold are in ratio 7 : 10, then find the number of pencils and eraser he sold on that day
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14 pencils and 20 erasers
Uday03752:
how you have solve please show me
10×2 - 7x/2 - 150x/100 = 10
Solve this equation and then 7x will be no. of pencils and 10x will be no. of erasers
Thanks
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