How many ounces does your LO take- 1 month old

Alicia
My LO is a month + I've read they should be getting anywhere from 19 to 30 ounces per day. That is a pretty wide range. What does your LO take in a 24 hour period? We are usually right at 20 with a few breast feeding sessions throughout . (I pump due to weight loss issues to monitor now he perfers the bottle as the breast seems to be more of a comfort)