Question

if 15 books cost 17 rupees how much will 12 books cost​

Answer 1

Answer:

Step-by-step explanation:

Cost of 15 books = 70

So, cost of 1 book = 70/15

=14/3

So,cost of 12 books = 14/3 x 12

=56

Answer 2

Answer:

16.92 rupees

Step-by-step explanation:

cost of 15 books = 17 rupees

cost of 1 book = 17/12 = 1.41 rupees

cost of 12 books = 16.92 rupees

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