document.write( "Question 524164: A road map is drawn so that 1.5 inches represents 90 miles. How many miles sdoes 1.6 inches represent? \n" ); document.write( "
Algebra.Com's Answer #347624 by oberobic(2304)\"\" \"About 
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You could use proportions...
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\n" ); document.write( "1.6/1.5 = x/90
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\n" ); document.write( "90*1.6 = 1.5x
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\n" ); document.write( "1.5x = 90*1.6
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\n" ); document.write( "1.5x = 144
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\n" ); document.write( "x = 144/1.5 = 96 miles
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\n" ); document.write( "You could determine the miles per 10th of an inch and then multiply
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\n" ); document.write( "1.5 in. = 15 tenths
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\n" ); document.write( "We want to know how many miles per tenth of an inch.
\n" ); document.write( "So, we divide 90 miles / 15 tenths.
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\n" ); document.write( "6 miles/tenth of an inch
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\n" ); document.write( "1.6 inches = 16 tenths of an inch
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\n" ); document.write( "6*16 = 96 miles
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\n" ); document.write( "Done.
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