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If 20 articles cost ₹ 90, then the cost of 9 articles is
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If 20 articles cost ₹ 90, then the cost of 9 articles is

User Qwerty Qwerty
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1 Answer

13 votes

Answer:

₹ 40.50

Explanation:

Cost of 20 articles = ₹ 90

Cost of 1 article = ₹ 90/20

Cost of 9 article = 9 x 90/20 = ₹ 40.50

User Cjoerg
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