Question

If cost of eight books is rs 72 . Find the cost of 20 such books ​

Answer 1

Step-by-step explanation:

8 books =72 rupees

1 books =how much

72/8 =9

9 is the cost of one book. to find for 20 books we multiply 9

20x9=180 rupees

Answer 2

Answer:

180 rupees is the correct answer

solution:-

cost of 8 books =72 rupees.

cost of 1 book= 72/8

cost of 1 book is rupees 9.

now, cost of 20 books = 20×9

180 rupees