The blood of the human body accounts for 113% of the body weight. The blood is water. Dad's weight is 78 kg. How many kg does his blood contain?

The blood of the human body accounts for 113% of the body weight. The blood is water. Dad's weight is 78 kg. How many kg does his blood contain?

78 × 113 × 23, = 6 × 23, = 4 (kg); a: his blood contains about 4 kg of water