document.write( "Question 540697: Johnny left his office and took the elvator down 4 floors to the cafeteria. He then went up 21 floors to the meeting on the 28th floor. Where is Johnny's office located ? \n" ); document.write( "
Algebra.Com's Answer #353819 by oberobic(2304)\"\" \"About 
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J = Johnny's floor
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\n" ); document.write( "J-4 = cafeteria's floor
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\n" ); document.write( "J-4+21 = 28
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\n" ); document.write( "J = 28 +4 -21 = 11
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\n" ); document.write( "Johnny's floor is the 11th floor.
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