Question

The price oof 4 notebooks and 7 pens is 115 rupees and the price of 4 note books and 2 pen is 90.rupees what is the priCe of notebook and what is the price of pen?

Answer 1

Answer:

pen -5

notbook- 20

Step-by-step explanation:

4x+7y=115

4x+2y=90

minus this

5y=25. y=5