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From 1950 to 1990 the population of Country W increased by 40%. From 1990 to 2018 the population of Country W increased by 10%. What is the percentage increase in the population of Country W from 1950 to 2018?

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30

Correct Answer: 
No

44

Correct Answer: 
No

50

Correct Answer: 
No

54

Correct Answer: 
Yes