Question

the cost of 10 books is ₹900.the cost of 18 such book will be please answer me I will be mark you brainliested



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Answer 1

Answer:

Given,

Cost of 10 books = ₹900

Cost of 18 such books = ?

Cost of 1 book = 900/10

= ₹90

Cost of 18 books = cost of 1 book × 18

= ₹90 × 18

= ₹1620