Question

if the cost of 5 copies of a book is Rs 125,what is the cost of dozen copies of the same book ? ​

Answer 1

Answer:

300

Step-by-step explanation:

Since 5 books cost 125

Therefore 1 book cost 125/ 5= 25

Therefore the cost of dozens of books = 25 *12= 300

Answer 2

Answer:

300

Step-by-step explanation:

copies Cost

5 125

12 x

Now cross multiply,

5*x=125*12

5x=1500

x=1500/5

x=300

So, the cost of 12 copies is Rs. 300