What are the differences between café au lait, cappuccino and latte?!

Question: cafe au lait- regular drip coffee and steamed milk (about 2:1 ratio)

cappuccino- espresso, steamed milk, foam (1:1:1)

latte- espresso, steamed milk and a little foam on top (optional)

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Answers: cafe au lait- regular drip coffee and steamed milk (about 2:1 ratio)

cappuccino- espresso, steamed milk, foam (1:1:1)

latte- espresso, steamed milk and a little foam on top (optional)

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