is 1000 calories a day too much to burn? roughly 20 mins on the exercise bike and a 20 min run?

Question by freakypaint56: is 1000 calories a day too much to burn? roughly 20 mins on the exercise bike and a 20 min run?
thats what this calorie burning calculator says on this site..

Best answer:

Answer by Eve
Are you sure that burns 1000 calories? That sounds more like 400.

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