16. Evaluate the cost

Jane went to the stationery shop and brought 3 notebooks and 5 pens for the cost of \(₹\)77. John went to the same stationery shop and brought 2 notebooks and 3 pens for the cost of \(₹\)50. Calculate the individual cost of a notebook and the cost of a pen using elimination method.

 

 

The cost of a notebook \(= ₹\)

 

The cost of a pen \(= ₹\)