Peter went to the stationery shop and brought 6 notebooks and 2 pens for the cost of \(₹\)130. Sam went to the same stationery shop and brought 3 notebooks and 4 pens for the cost of \(₹\)80. Calculate the individual cost of a notebook and the cost of a pen using the elimination method.

The cost of a notebook \(= ₹\)
The cost of a pen \(= ₹\)
Answer variants:
5
20