Question

Cost of 20 books is Rs 400. Find the cost of 30 books.

Answer 1

Answer:

20 books-400 rupees

1 book-400/20 rupees

30 books - 400/20×30=600 rupees.

Answer 2

Answer:

cost of each book is rs 20

Step-by-step explanation:

400 when divided by 20,the quotient is 20.hence rs 20 is the answer