document.write( "Question 126210: What is the actual length of a room that measures 2.8 inches. the scale is 1/2 inch = 4 feet?\r
\n" ); document.write( "\n" ); document.write( "If a model airplane is 11 inches in length. the actual length of the airplane is 209 feet. what is the scale used to build the model?
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Algebra.Com's Answer #92477 by edjones(8007)\"\" \"About 
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Proportion
\n" ); document.write( "Let x be the actual length of the room.
\n" ); document.write( "x/48\"=2.8\"/.5\"
\n" ); document.write( "x=2.8*48/.5
\n" ); document.write( "x=268.8\"
\n" ); document.write( "=22.4'
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\n" ); document.write( "11\"=209'
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\n" ); document.write( "Ed
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