Question

if the cost of 200 books is rs 180. how much will 15 books cost​

Answer 1

Step-by-step explanation:

cost of 200 books =180

so, cost of 1 book =180/200=0.9 rupees

so cost of 15 books is = 15×0.9=13.5 rupees

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Answer 2

If the cost of 200 books is = ₹ 180

then cost of a book is = ₹ 180/200

then the cost of 15 books is = ₹ 180/200 x 15

• = ₹13.5

• hope it will help you friend