if by selling an article for ra 390 a shopkeeper gain 20%. Find his cost.
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Answer:
If by selling an article for ₹ 390/- a shopkeeper gains 20%, then the cost is. ₹ 370/-
Step-by-step explanation:
The selling price of the article = Rs. 390
Gain/Profit percentage = 20%
Formula∶
Profit percentage = (Selling price – Cost price)/Cost price × 100
20 = {(390 – Cost price)/Cost price} × 100
20 × Cost price = 39000 – (100 × Cost price)
120 × Cost price = 39000
Cost price = 39000/120 = Rs. 325
∴ The Cost price of the article is Rs. 325
Cost price = (390× 100)/120 = Rs. 325
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