Akshay purchased pens and notebooks from a shop for a total sum of ₹180. From the following data, what is the value of ‘X’?
| Items | Price per unit (in ₹) | Quantity |
|---|---|---|
| Pens | 10 | X |
| Notebooks | 20 | 6 |
1
4
2
6
3
5
4
7
| Items | Price per unit (in ₹) | Quantity |
|---|---|---|
| Pens | 10 | X |
| Notebooks | 20 | 6 |