SOLUTION: Social Science: In 1975 the population of the Earth was approximately 4 billion and doubling every 35 years. The formula for the population P in year Y for this doubling rate is:

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Question 69696This question is from textbook Beginning Algebra
: Social Science: In 1975 the population of the Earth was approximately 4 billion and doubling every 35 years. The formula for the population P in year Y for this doubling rate is:
P(in millions)= 250 x 2 ^(y-1990/66)
:
If there are 6 x 10^9 people on the Earth and there is enough freshwater to provide each person with 8.79 x 10^5 L, how much freshwater is on the Earth?
:
Thanks for any help you can provide it is appreciated.
This question is from textbook Beginning Algebra

Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Just multiply the number of people by the number of litres per person.
%286X10%5E9%29%288.79X10%5E5%29+=+52.74X10%5E14 litres of fresh water.