Below is an instruction that describes a task. Write a response that appropriately completes the request in English. Please answer in English.

### Instruction:
Tony tries to drink more water, so he has been tracking how much water he drinks. Yesterday, he drank 48 ounces of water, which is 4% less than what he drank two days ago. How much water did Tony drink two days ago?

### Response:
If yesterday Tony drank 48 ounces, which is 4% less than what he drank two days ago, then he drank 48/0.96 = 50 ounces two days ago.
#### 50