SOLUTION: In a nation of 221 million people, the urban pop. is 2.25 times more than the rural pop. Find each population number. PLEASE HELP! The answer is 68,000,000 rural and 158,000,000 ur
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Question 123384This question is from textbook Algebra: structure and method: Book 1
: In a nation of 221 million people, the urban pop. is 2.25 times more than the rural pop. Find each population number. PLEASE HELP! The answer is 68,000,000 rural and 158,000,000 urban, but I don't know how to get there.
This question is from textbook Algebra: structure and method: Book 1
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Let call urban population, U, and rural, R.
From the first sentence you know,
1. 221 million people total
2. Urban is 2.25 times rural
Substitute 2 into 1.
1.
From 2,
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