math
posted by Regina .
How many hours would a person have to jump rope in order to lose 1 pound? If a person uses 750 cal/h.

Fat? at 9 cal/gram
One pound is 454 grams, so
time=9cal/gram * 454grams/759cal/hr
time= 9*454/750 hr
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If it is 750 calories per hour how many hours would a person have to jump rope in order to lose 1 lb ?