In 2015, the world’s total output (real GDP) wIn 1960, America’s GDP per capita was approximately $17,000 (measured in today’s dollars). How much higher in percentage terms was America’s GDP per capita in 2015

GDP per capita Percentage increase = 232.02%

Explanation:

1960 GDP per capita measured in today's dollars (US) ≈ $17000

2015 GDP per capita (US) = $56443.82

Percentage increase = (56443.82 - 17000)/17000 = 2.320224706 =

GDP per capita Percentage increase = 232.02%

the first successful, urban blues recording, selling more than 75,000 copies, was made in year 1920.

mamie smith recorded the first commercially successful example of the urban blues,   with the recording of “crazy blues”."crazy blues" was recorded on august 10, 1920, in new york city. within a month of the release of “crazy blues” it had sold 75,000 copies.

answer///video, because samuel can show his work in real time and be better understood;