abmaylesp6vlij abmaylesp6vlij 08-04-2018 Mathematics contestada B) A rule of thumb used by nutritionists is that to lose 1 lb of body fat, you need to burn 3,500 calories above what you take in. If you burn 400 more calories than you take in each day, how long will it take to lose 1 lb? What about 5 lbs?