Question

9. If 15 copies of a book cost 175.50, what is the cost of 3 copies of the book ?​

Answer 1

Answer:

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Step-by-step explanation:

15 copies cost 175.5 rupees. cost of 1 copy=175.5/15=11.7 rupees. then, cost of 3 copies=11.7×3=35.1 rupees.

Answer 2

Answer:

cost of one copy = 175.5 / 15

= ₹11.7

cost of 3 copy = 11.7×3

= ₹35.1