SOLUTION: The US population is one-fourth China�s population. If the US has 300 million people, then what is the population of China?

Question 324346: The US population is one-fourth China�s population. If the US has 300 million people, then what is the population of China?
Answer by jessica43(140) (Show Source): You can put this solution on YOUR website!
To solve this problem, you need to write equations using what you know. You know that the US population is 1/4 of China's population. This can be written as:
U = (1/4)*C (where U = US population, C = China population)
We also know that US has 300 million people:
U = 300,000,000
Now plug the value of U into the first equation and solve for C:
U = (1/4)C
300,000,000 = (1/4)C
300,000,000/(1/4) = ((1/4)C)/(1/4)
1,200,000,000 = C
So the population of China is 1,200,000,000 people.
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