Question #93316
The human body is approximately 60% of water, and one-half of the mass of the dry portion is protein. calculate the mass of protein in a 140. lb person.
1
Expert's answer
2019-08-27T04:43:49-0400

Percentage of dry portion in human body =10060=40%=100-60=40\%

percentage of protein in human body=402=20%\frac{40}2=20\%

Mass of human body=140lb140lb

Mass of protein in human body=20100×140=28lb=\frac{20}{100}\times140=28lb

now,

1lb=0.45359237kg1lb=0.45359237 kg

28lb=28×0.45359237=12.7kg28lb=28\times0.45359237 =12.7kg

So, mass of protein in 140lblb person =28lb=12.7kg=28lb=12.7kg


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