Answer:
Answer is A.[tex]3.6*10^{5}[/tex]
Step-by-step explanation:
Mass of Sodium Chloride in one 50kg person = [tex]2*10^{2}[/tex] grams
Mass of Sodium Chloride in [tex]1.8*10^{3}[/tex] 50kg people = [tex]2*10^{2}[/tex] * [tex]1.8*10^{3}[/tex]
=[tex](1.8*10^{3})*(2*10^{2})[/tex]
=[tex]3.6*10^{5}[/tex]
So the Answer is A.