document.write( "Question 839693: What is the speed of an airport's moving sidewalk if a person is conveyed 1/8 of a mile through the airport in one and a half minutes while walking at his normal pace of 300ft./min. on the moving sidewalk? THANK YOU. \n" ); document.write( "
Algebra.Com's Answer #505849 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! What is the speed of an airport's moving sidewalk if a person is conveyed 1/8 of a mile through the airport in one and a half minutes while walking at his normal pace of 300ft./min. on the moving sidewalk? \n" ); document.write( ": \n" ); document.write( "Convert 1/8 of a mile to ft: 1/8 * 5280 = 660 ft \n" ); document.write( ": \n" ); document.write( "let s = speed of the moving sidewalk in ft/min \n" ); document.write( "then actual speed = (s+300) \n" ); document.write( "Time = dist/speed \n" ); document.write( "1.5 min = \n" ); document.write( "1.5(s+300) = 660 \n" ); document.write( "1.5s + 450 = 660 \n" ); document.write( "1.5s = 660 - 450 \n" ); document.write( "1.5s = 210 \n" ); document.write( "s = 210/1.5 \n" ); document.write( "s = 140 ft/min \n" ); document.write( " |