The ideal amount of feed at this age should be approx 90 ml. 8-10 times feed per day is fine.
Give breast milk initially followed by formula feed.
Puking motion could be due to reflux which is common for babies this age. It does not require medication. It will resolve on it own.
Feed every 2 hours before baby gets hungry.
Next Steps
If persistent vomiting, seek consultation
Health Tips
burp after every feed