by selling an article for ₹18.75 a dealer loses as much as percent as its cost price .find the cost price of the article
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Answer:
Let the cost price be Rs. x
Selling price = Rs. 18.75
Loss= Cost price − Selling price
⇒
100
x
×x=x−18.75
⇒
100
x
2
=x−18.75
⇒x
2
=100x−1875
⇒ x
2
−100x+1875=0
⇒(x−75)(x−25)=0
⇒ x=75 or x=25
Therefore, the cost price is Rs. 75 or Rs. 25.
Step-by-step explanation:
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