document.write( "Question 900116: how many minutes does it take for 15 people to paint 15 walls? \n" ); document.write( "
Algebra.Com's Answer #545783 by josmiceli(19441)![]() ![]() You can put this solution on YOUR website! How long does it take for 1 person to paint \n" ); document.write( "1 ( or any number ) of walls? \n" ); document.write( "You need that information \n" ); document.write( "----------------------- \n" ); document.write( "Suppose: \n" ); document.write( "1 person paints 1 wall in 1 hour \n" ); document.write( "----------------------------- \n" ); document.write( "15 people will paint 1 wall in 1/15 of an hour \n" ); document.write( "----------------------------- \n" ); document.write( "So, it will take them 15 times as long \n" ); document.write( "to paint 15 walls, so \n" ); document.write( "-------------------- \n" ); document.write( "15 people paint 15 walls in 1 hour ( 60 minutes )\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |