The open-door policy was established in which country to allow for the expansion of the us and European business interests in the 1980's A. Japan
B. Philippine islands
C. China

b or c im pretty sure

for this case we have the following equation:

we apply distributive property to the terms within parentheses.

subtracting 2 on both sides of the equation:

continental currency was denominated in dollars from $​1⁄6 to $80, including many odd denominations in between.