The history of the American frontier has celebrated the opportunities that the West offered to everyone. Some early historians glorified the American frontier and the role it played in developing the American character. Others have argued that what has been presented is a myth. How much was the truth, and what was a myth?
Suppose in one year, total revenues from digital sales of
Suppose in one year, total revenues from digital sales of pop/rock, tropical (salsa/merengue/cumbia/bachata), and urban (reggaeton) Latin music in a certain country amounted to $27 million. Pop/rock music brought in twice as much as the other two categories combined and $11 million more than tropical music. How much revenue