Thank you both for your responses.
Yes I actively weigh and keep count of her solids and formula intake. She is 8 months, 18.5 lbs and currently eats three solids, breakfast 1 ounce of veggies, 1 ounce formula mixed with 2 tablespoons oatmeal, lunch 2 ounces of veggies,1 ounce formula mixed with 2 tablespoons oatmeal and dinner same as lunch.
She eats about 25-28 ounces of formula a day.