If 20 articles cost ? 90, then the cost of 9 articles is ?
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3
Answer:
Rs. 40.5
Step-by-step explanation:
cost of 20 articles = ₹ 90
cost of 1 article = ₹ 90/20
cost of 9 articles = ₹ 90/20× 9
= ₹ 40.5
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1
Answer:
the answer of questions
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