As an expert in the field of health and fitness, I can provide you with a detailed answer to your question. The time it takes to burn off 70 calories depends on several factors, including the individual's weight, the type of activity, and the intensity of the exercise.
For example, a person weighing 150 pounds (68 kg) might burn approximately 70 calories in about 20 minutes of brisk walking. However, someone who weighs 200 pounds (90 kg) could burn the same amount in roughly 15 minutes due to the increased energy expenditure associated with a higher body weight.
Important to note: These are rough estimates and the actual calorie burn can vary based on metabolic rate, fitness level, and other individual differences.
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