SOLUTION: 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
Algebra.Com
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
RELATED QUESTIONS
In a nation of 221 million people, the urban population is 2.25 times the rural... (answered by rfer)
In a nation of 221 million people, the urban pop. is 2.25 times more than the rural pop.... (answered by Fombitz)
A state has an urban population of 8 million people with the remaining population of 2... (answered by ikleyn)
The population of North Carolina is the sum of its urban population and its rural... (answered by ikleyn)
5/8 of the population is urban, and 3/8 of the population is rural.
1/10 of the urban... (answered by ReadingBoosters)
In a country, in a decade, the population increased by 15.9%. If the increase in the... (answered by robertb)
Sam thinks that there is a difference in quality of life between rural and urban living.... (answered by rothauserc)
Recently the number of hours canadians listen to the radio has increased. Statistics... (answered by stanbon)
2. A train travels at an average speed of 20 mph through urban areas, 50 mph
through... (answered by ankor@dixie-net.com)