5. Calculate the cost of a notepad, a book and a pen

Sam and Kishore are friends. Together they went to a stationary shop, and Sam bought 3 notepads, 2 books and 3 pens for the cost of $₹$153. At the same time, Kishore bought 3 notepads, 2 books and 4 pens for the cost of $₹$168. If the cost of a book is 3 times the notepad, then find the cost of a notepad, a book and a pen.

 

 

The cost of a notepad is $₹$.

 

The cost of a book is $₹$.

 

The cost of a pen is $₹$.