Leela has a terrace garden for which she buys supplies from a gardener on a monthly basis. Her expense pattern is as follow.
| Item | % Expense |
| New species of plants | 20 |
| Compost | 40 |
| Mud | 10 |
| Cowdung | 20 |
| Other supplies | 10 |
If she spends Rs. 750 on Compost, what will be her expected expense on new plants?
How many triangles are there in the following figure?