If the cost of 20 books is ₹ 180, how much will 10books cost?
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Answer:
90 rupees
Step-by-step explanation:
Cost of 20 books = 180
Cost of 1 book = 180/20
= 9
→ Cost of 1 book is 90 rupees
Cost of 10 books =9×10
= 90
Hope this helps :)
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