Answer : The amount of paper used by average United States citizen are, 210.47 kilograms.
Explanation : Given,
Total mass of paper used in the United States = 70 million tons
Total number of people in the United States = 301.6 million
First we have to calculate the amount of paper used by average United States citizen.
[tex]\text{Amount of paper used}=\frac{\text{Total mass of paper used}}{\text{Total number of people}}[/tex]
[tex]\text{Amount of paper used}=\frac{70\text{ million tons}}{301.6\text{million}}[/tex]
[tex]\text{Amount of paper used}=0.232\text{ tons}[/tex]
Now we have to convert amount of paper from tons to kilogram.
Conversion used :
1 ton = 907.185 kg
As, 1 ton = 907.185 kg
So, 0.232 ton = [tex]\frac{0.232ton}{1ton}\times 907.185kg=210.47kg[/tex]
Therefore, the amount of paper used by average United States citizen are, 210.47 kilograms.