document.write( "Question 614729: If an airplane in a 1 inch.: 4 feet scale drawing is 5 inches long, how long is the actual airplane? \n" ); document.write( "
Algebra.Com's Answer #386675 by stanbon(75887)\"\" \"About 
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If an airplane in a 1 inch.: 4 feet scale drawing is 5 inches long, how long is the actual airplane?
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\n" ); document.write( "Use a proportion:
\n" ); document.write( "x ft/5in = 4ft/1 in
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\n" ); document.write( "x ft = 5(4/1)
\n" ); document.write( "x = 20 ft (length of the plane)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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