Over feeding or growth spurt?

Ash

I recently went back to work so my baby is getting breast milk in bottles while I’m not with her. Yesterday between 6am and 4pm she ate 20oz!!! I have ready they need between 1 and 1.5 oz an hour and that’s 2 oz an hour. I told my husband I thought he was over feeding her, but he claims he tried giving her a pacifier, putting her down for a nap, playing with her and she wanted more milk. Does anyone else’s baby eat this much? Is this normal? Is she just growing? She’s 15 weeks.