The Cost b of a book is Rs. 13 more than the cost of a pen. The cost o

1.	The Cost b of a book is Rs. 13 more than the cost of a pen. The cost of the pen is Rs. 8 less than the cost r of a register. If the register costs Rs. 80, find the cost of the book and the pen.
Answer» ong>ANSWER: cost of pen--Rs.72 cost of a BOOK--Rs.85

The Cost b of a book is Rs. 13 more than the cost of a pen. The cost of the pen is Rs. 8 less than the cost r of a register. If the register costs Rs. 80, find the cost of the book and the pen.

Answer»

cost of pen--Rs.72

cost of a BOOK--Rs.85