Human blood accounts for about one thirteenth of the body weight, and about two-thirds of the blood is water. Mr. Li's weight is 65 kg, and his blood contains about water How many kilos?

Human blood accounts for about one thirteenth of the body weight, and about two-thirds of the blood is water. Mr. Li's weight is 65 kg, and his blood contains about water How many kilos?

Hello!
Water content 65x1 / 13x2 / 3 = 5x2 / 3 = 10 / 3kg
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