Tip - Puppy feeding guidelines

Hello. I am rescuing my first puppy next Monday. She'll be 11.5 weeks when we get her, and I've never had a dog that young. The people fostering her are feeding her litter 3/4c twice a day. She's an Australian shepherd/great pyrenees/golden retriever mix. I keep reading mixed things about feeding them twice or three times a day. Which do you recommend? And if it is 3 times a day, given that she's almost 3 months old, how much would you feed her each time?
Tags: dog,canine,dog whisperer,cesar millan,pack leader,dog psychology,Dog Nutrition,Dog Care,canine nutrition,dog feed,Dog Food,puppy feeding