document.write( "Question 1064063: Two students Bert and Sol left the same house at the same time. They both walk to school. Each step of Bert is 20% shorter than each step of Sol, however, the number of steps Bert takes is 20% more then the number of steps Sol takes in the same amount of time. Who will get to the school faster? \n" ); document.write( "
Algebra.Com's Answer #679103 by ikleyn(52810)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "Two students Bert and Sol left the same house at the same time. They both walk to school. \n" ); document.write( "Each step of Bert is 20% shorter than each step of Sol, however, the number of steps Bert takes is 20% more then the number of steps \n" ); document.write( "Sol takes in the same amount of time. Who will get to the school faster? \n" ); document.write( "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "Let \"n\" be the number of steps Sol makes in 1 minute, and let \"s\" be the length of his step (in meters).\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Then Sol's rate (speed) is n*b meters per minute.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Regarding Bert, he makes 1.2*n steps per minute, but each his step has the length 0.8s, \r\n" ); document.write( "\r\n" ); document.write( " so his rate (speed) is 0.8n*1.2s = 0.96ns meters per second.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Now you see that Bert moves slower than Sol, and the answer is clear to you.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Answer. Who will get to the school faster? - Sol will.\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "For similar solved problems, see the lesson More complicated percentage problems in this site.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |