Question

If the cost of 3 books is rps20 then find the cast of 12 books​

Answer 1

Answer:

cost of 1 book = 20/3

cost of 12 books = 20/3×12

= 20×4 = 80

Hope it will be helpful

Answer 2

Answer:

80 Ruppes

Step-by-step explanation:

cost of 3 books = 20

cost of 1 book = 20/3

therefore therefore cost of 12 books = 20/3 × 12 = 80