Question

A notebook and a pen together cost Rs.162. The cost of the pen is Rs.30 more than five times the cost of the notebook. Find the cost of notebook and the pen.

Answer 1

Let the cost of notebook be x.
The cost of notebook and pen together is 162.
The cost of pen is 30+5x.
Accordingly,
   30+5x+x=162.
> 30+6x=162.
> 6x=132.
> x=22.
The cost of notebook is Rs. 22.
The cost of pen is Rs. (30+5*22)= Rs. 140. 

Answer 2

your ans. Is in the attachment