Multiple choices 11/50
(Choose 1 answer)
A. 4 times higher than it is now.
B. 8 times higher than it is now.
C. 16 times higher than it is now.
D. 12 times higher than it is now.
Next
(17821) Over the past 100 years, U.S. real GDP per person has doubled about every 35 next 100 years, it doubles every 25 years, then a century from now U.S. real GDP per perso
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