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)      You can put this solution on YOUR website! You could use proportions... \n" ); document.write( ". \n" ); document.write( "1.6/1.5 = x/90 \n" ); document.write( ". \n" ); document.write( "90*1.6 = 1.5x \n" ); document.write( ". \n" ); document.write( "1.5x = 90*1.6 \n" ); document.write( ". \n" ); document.write( "1.5x = 144 \n" ); document.write( ". \n" ); document.write( "x = 144/1.5 = 96 miles \n" ); document.write( ". \n" ); document.write( "OR \n" ); document.write( ". \n" ); document.write( "You could determine the miles per 10th of an inch and then multiply \n" ); document.write( ". \n" ); document.write( "1.5 in. = 15 tenths \n" ); document.write( ". \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. \n" ); document.write( ". \n" ); document.write( "6 miles/tenth of an inch \n" ); document.write( ". \n" ); document.write( "1.6 inches = 16 tenths of an inch \n" ); document.write( ". \n" ); document.write( "6*16 = 96 miles \n" ); document.write( ". \n" ); document.write( "Done. \n" ); document.write( " |