document.write( "Question 541004: If the ratio of width to length for the U. S. flag is 10 to 19, then how long should a flag be that is 38 inches wide? I'm not sure how to calculate the difference between the 10 and 19 and apply it to the second dimensions. \n" ); document.write( "

Algebra.Com's Answer #353982 by AnlytcPhil(1806) $\"\"$ $\"About$

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document.write( "You can think of the 10 to 19 ratio as a small flag \r\n" );
document.write( "with a width of 10 inches and a length of 19 inches.  \r\n" );
document.write( "We want to know the length of a large flag if the width\r\n" );
document.write( "of the large flag is 38 inches.\r\n" );
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document.write( "Let the length of the large flag be L.  \r\n" );
document.write( "We use this proportion equation: \r\n" );
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document.write( " = \r\n" );
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document.write( "             = \r\n" );
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document.write( "Cross multiply:\r\n" );
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document.write( "           10L = 19×38\r\n" );
document.write( "           10L = 722\r\n" );
document.write( "             L = \r\n" );
document.write( "             L = 72.2 inches in length.\r\n" );
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document.write( "Edwin

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