Answer :

Final answer:

To find the mass of fat in a 67 kg man with 15% body fat, multiply the total weight by the percentage of body fat.


Explanation:

To calculate the mass of fat in a 67 kg man with 15% body fat, we first need to determine his lean body mass. The lean body mass is the total weight of the body minus the weight of fat. To find the lean body mass, we multiply the total weight (67 kg) by the percentage of body fat (15%).

Mass of fat = 67 kg x 0.15 = 10.05 kg

Therefore, the mass of fat in the 67 kg man is 10.05 kg.


Learn more about Calculating mass of fat based on body fat percentage

Final answer:

To find the mass of fat, convert the man's weight from kg to lb, calculate 15% of his total mass, and then convert the mass of fat from lb to kg. The mass of fat is approximately 10.049 kg.

Explanation:

To calculate the mass of fat, we need to find 15% of the man's total mass. First, we need to convert the man's weight from kg to lb. Then, using the conversion factor given in the example, we can determine the mass of fat in lb. Finally, we convert the mass of fat from lb to kg to find the final answer. Let's go through the steps:

  1. Convert 67 kg to lb:
  • 1 kg = 2.20462 lb
  • 67 kg = 67 * 2.20462 lb ≈ 147.709 lb
Calculate the mass of fat in lb:
  • 15% of the man's total mass = 15/100 * 147.709 lb ≈ 22.156 lb
Convert the mass of fat from lb to kg:
  • 1 lb = 0.453592 kg
  • 22.156 lb = 22.156 * 0.453592 kg ≈ 10.049 kg

Therefore, the mass of fat is approximately 10.049 kg.

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