A box contains total 100 items which is pens and notebooks. The price of a pen and the price of a notebook is Rs. 20 and Rs.30 respectively. Total price of items in a box is Rs. 2600. Find the ratio between the number of pens and number of notebooks in a box.
1
3 : 4
2
2 : 3
3
1 : 2
4
2 : 6
5
4 : 3