Question

the cost of 13 books is rs 250 then what is the cost of 18 notebooks​

Answer 1

Answer:

ok,

cost of a book = 250 / 13 = 19.23 rupees.

Then cost of 18 book = 18 × 19.23 = 346.14

Ans : cost of 18 Notebook = 346.14

Answer 2

Answer:

cost of 18 books is Rs.346.153

Step-by-step explanation:

cost of 13 books = 250

cost of 1 book = 250/13

cost of 18 books = 250/13 X 18

= 4500/13

= 346.153

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