document.write( "Question 1199900: Buduli covers a distance of 8km to his house in 1hour.He walks part of the distance at 6km/h
\n" ); document.write( "and runs the rest at 10km/h. How many kilometers did he run. \n" ); document.write( "

Algebra.Com's Answer #834020 by MathTherapy(10552) $\"\"$ $\"About$

You can put this solution on YOUR website!

\r\n" );
document.write( "Buduli covers a distance of 8km to his house in 1hour.He walks part of the distance at 6km/h and runs the rest at 10km/h. How many kilometers did he run.\r\n" );
document.write( "\r\n" );
document.write( "Let distance he ran be D\r\n" );
document.write( "Then distance walked = 8 - D\r\n" );
document.write( "Time taken to run and walk the 2 distances: \r\n" );
document.write( "\r\n" );
document.write( "We then get the following TIME equation: \r\n" );
document.write( "                                      3D + 5(8 - D) = 30 ---- Multiplying by LCD, 30\r\n" );
document.write( "                                       3D + 40 - 5D = 30\r\n" );
document.write( "                                            3D - 5D = 30 - 40\r\n" );
document.write( "                                               - 2D = - 10\r\n" );
document.write( "                             Distance he ran, or

\n" ); document.write( "

\n" );