SOLUTION: According to Wikipedia, the best-selling album in 2005 was Mariah Carey’s The Emancipation of Mimi. The best-selling album in 2004 was the album Confession by Usher. Confession sol

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Question 593771: According to Wikipedia, the best-selling album in 2005 was Mariah Carey’s The Emancipation of Mimi. The best-selling album in 2004 was the album Confession by Usher. Confession sold 0.94 million copies less than twice the amount The Emancipation of Mimi sold. The sum of these two albums was 13.97 million copies. Determine the sales of both albums.
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According to Wikipedia, the best-selling album in 2005 was Mariah Carey’s The Emancipation of Mimi. The best-selling album in 2004 was the album Confession by Usher. Confession sold 0.94 million copies less than twice the amount The Emancipation of Mimi sold. The sum of these two albums was 13.97 million copies. Determine the sales of both albums.
.
Let x = number (millions) of Emancipation sold
then
2x-0.94 = number (millions) of Confession sold
.
x + (2x-0.94) = 13.97
3x-0.94 = 13.97
3x = 14.91
x = 4.97 million (Emancipation sold)
.
Confession sold:
2x-0.94 = 2(4.97)-0.94 = 9.94-0.94 = 9 million (Confession sold)