Question

The cost of a book and a pen is `.3600. If the cost of a book is 7
times the cost of book, find the cost of the book

Answer 1

Answer:

12600

Step-by-step explanation:

3600÷2 = 1800

So its seven times

1800×7

=12600

Answer 2

Step-by-step explanation:

cost of pen be x

• cost of book = 7 × x

= 7x

A.T.Q

x + 7x = ₹3600

8x = 3600

x = 3600/8

x = ₹350

• cost of book = 7x = 7 × 350
• = ₹2450