document.write( "Question 1030069: The speed of a moving sidewalk at an airport is
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document.write( "66
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document.write( "ft/sec. A person can walk
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document.write( "3838
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document.write( "ft forward on the moving sidewalk in the same time it takes to walk
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document.write( "1010
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document.write( "ft on a nonmoving sidewalk in the opposite direction. At what rate would a person walk on a nonmoving sidewalk? \n" );
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Algebra.Com's Answer #645033 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! The speed of a moving sidewalk at an airport is 66ft/sec. \n" ); document.write( "A person can walk 3838 ft forward on the moving sidewalk in the same time it takes to walk 1010 ft on a nonmoving sidewalk in the opposite direction. \n" ); document.write( " At what rate would a person walk on a nonmoving sidewalk? \n" ); document.write( ": \n" ); document.write( "let r = his rate walking on a non-moving sidewalk \n" ); document.write( "then \n" ); document.write( "(r+66) = his rate forward on moving sidewalk \n" ); document.write( ": \n" ); document.write( "write a time equation; time = dist/speed \n" ); document.write( " \n" ); document.write( "Cross multiply \n" ); document.write( "3838r = 1010(r+66) \n" ); document.write( "3838r = 1010r + 66660 \n" ); document.write( "3838r - 1010r = 66660 \n" ); document.write( "r = 66660/2828 \n" ); document.write( "r = 23.57 ft/sec \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Check this, find the actual time of each scenario \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |