SOLUTION: The Sears Tower in Chicago is the tallest building in North America. The total height of the tower t and the antenna that stands on top of it a is 1729 feet. The differ

Algebra ->  Coordinate-system -> SOLUTION: The Sears Tower in Chicago is the tallest building in North America. The total height of the tower t and the antenna that stands on top of it a is 1729 feet. The differ      Log On


   

Question 1081793: The Sears Tower in Chicago
is the tallest building in North America.
The total height of the tower t and the
antenna that stands on top of it a is
1729 feet. The difference in heights
between the building and the antenna is
279 feet. How tall is the Sears Tower?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
If t is the height of the tower, then t-279 is the height of the antenna. So:
t+t-279=1729
2t= 2008
t=1004
The tower is 1004 ft. Then antenna is 725 ft. high. ☺☺☺☺