The difference between a country's exports and imports is called the country's trade balance. if one country had a trade balance of - $86 billion in 1991, $142 billion in
1995, and - $43 billion in 1994. what was the total trade balance for these years?
a. -271 billion dollars
ob. 271 billion dollars
o c. 13 billion dollars
o d . -13 billion dollars

Of 400 people at the school carnival, 95% are students and the rest are teachers. a. how many students are at the school carnival? b. if 55% of the students at the school carnival are boys, how many are girls? c. how many teachers are at the school carnival? d. if 35% of the teachers are male and the rest are female, how many female teachers are at the carnival?