SOLUTION: The top three sources of oil imports for the United States in the same year were Saudi Arabia, Mexico, and Canada. The three top countries accounted for 45% of oil imports. The Uni

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: The top three sources of oil imports for the United States in the same year were Saudi Arabia, Mexico, and Canada. The three top countries accounted for 45% of oil imports. The Uni      Log On


   

Question 1130160: The top three sources of oil imports for the United States in the same year were Saudi Arabia, Mexico, and Canada. The three top countries accounted for 45% of oil imports. The United States imported 1.8 percentage points more from Saudi Arabia than they did from Mexico, and 1.3 percentage points more from Saudi Arabia than they did from Canada. What percent of the United States oil imports were from these three countries? (Round your answers to one decimal place.)
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
Canada is x
SA=is x+1.3, working in percentages, not decimals
Mexico is x-0.5
The three add to 45
3x+0.8=45
3x=44.2
x=14.73
Canada is 14.7
SA is 16.0
Mexico is 14.2
rounding prevents exact 45.