document.write( "Question 1057685: In a race of 1 km, Abdul beats Bilal by 25 seconds, who beats Faheed by 75 seconds. If Bilal and Faheed run an 800 m race, then Bilal would beat Faheed by 300 metres. Find the time taken by Abdul to run a 800 m race \r
\n" ); document.write( "\n" ); document.write( "please explain with the help of diagram \n" ); document.write( "

Algebra.Com's Answer #672693 by ikleyn(52813) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "In a race of 1 km, Abdul beats Bilal by 25 seconds, who beats Faheed by 75 seconds. If Bilal and Faheed run an 800 m race,
\n" ); document.write( "then Bilal would beat Faheed by 300 metres. Find the time taken by Abdul to run a 800 m race
\n" ); document.write( "~~~~~~~~~~~~~~~~~~~~~~~~~~~\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "I will explain you an idea, but I will not go in details.
\n" ); document.write( "I will leave the details on your own.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "

\r\n" );
document.write( "Let A be Abdul's speed (in m/s).\r\n" );
document.write( "Let B be Bilal's speed (in m/s).\r\n" );
document.write( "Let F be Fahid's speed (in m/s).\r\n" );
document.write( "\r\n" );
document.write( "Then the condition says:\r\n" );
document.write( "\r\n" );
document.write( " = 25   (1)   (\"In a race of 1 km, Abdul beats Bilal by 25 seconds\")   Try to understand why it is so.\r\n" );
document.write( "\r\n" );
document.write( " = 75   (2)   (\"In a race of 1 km, Bilal beats Faheed by 75 seconds\").\r\n" );
document.write( "\r\n" );
document.write( "The third condition says that Bilal runs 800 m at the same time as Faheed runs 500 m.\r\n" );
document.write( "It means that the ratio of Bilal speed to Faheed speed is :\r\n" );
document.write( "\r\n" );
document.write( " = .   (3)\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Now, from equations (2) and (3) you can find B and F.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Then, knowing and having B, you can calculate/find A from the equation (1).\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Having A, you will be able to answer the problem's question.\r\n" );
document.write( "

\r
\n" ); document.write( "\n" ); document.write( "At this point I leave you.
\n" ); document.write( "Good luck !\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );