SOLUTION: In a nation of 221 million people, the urban population is 2.25 times the rural population. Find the rural and urban population.
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Question 269612: In a nation of 221 million people, the urban population is 2.25 times the rural population. Find the rural and urban population.
PLEASE PLEASE PLEASE HELP Answer by dabanfield(803) (Show Source):
You can put this solution on YOUR website! In a nation of 221 million people, the urban population is 2.25 times the rural population. Find the rural and urban population.
PLEASE PLEASE PLEASE HELP
Let r be the rural population and u be the urban population. Then we have:
1) u = 2.25*r and
2) u + r = 221
Substitute 2.25*r for u (from equation 1) in equation 2) and solve for r:
2.25*r + r = 221
3.25*r = 221
r = 221/3.25
Calculate r above and then calculate u = 2.25*r
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