Population
Total Water Footprint 1
Country
(in thousands) (in $10^9$ cubic meters per year)
China
1,257,521
883.39
India
1,007,369
987.38
a. What does $10^9$ cubic meters mean?
one trillion cubic meters
one hundred thousand cubic meters
one million cubic meters
one billion cubic meters
b. The following equation is based on information from the table.
$\frac{883.39}{1,257,521} = \frac{x}{1,007,369}$
What does $x$ represent?
$x$ represents the population of China if it used water at the same rate as India.
$x$ represents the water footprint of India if it used water at the same rate as China.
$x$ represents the population of India if it used water at the same rate as China.
$x$ represents the water footprint of China if it used water at the same rate as India.
c. Solve the equation from part b. Give your answer to 2 decimal places.
billion cubic meters per year
