If all i eat is one whole peice of fruit a day how much weight will i lose?

I'm trying to lose weight fast. I currently weigh 167lb. If I eat one whole peice of fruit a day like a apple or orange & that's all how fast and how much weight cann I lose? I want to lose 47lbs. & don't say that's not healthy because I reallydont care. & don't worry ill drink plenty of water.