document.write( "Question 1163732: Allison drove home at 62 mph, but her brother Austin , who left at the same time , could drive at only 42 mph. When Allison arrived , Austin still had 40 miles to go, How fat did Allison drive ? \n" ); document.write( "

Algebra.Com's Answer #787915 by ikleyn(52784) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "

\r\n" );
document.write( "\r\n" );
document.write( "The distance equation is\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "    62*t = 42*t + 40.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Left side is the distance traveled by Allison.\r\n" );
document.write( "\r\n" );
document.write( "Right side is the sum of the distance traveled by Austin plus 40 miles.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Both distances, on the left and on the right, are the same.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Solve for t\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "    62t - 42t = 40\r\n" );
document.write( "\r\n" );
document.write( "    20t       = 40\r\n" );
document.write( "\r\n" );
document.write( "      t       = 40/20 = 2  hours.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Allison drove  2*62 = 124 miles.    ANSWER\r\n" );
document.write( "

\r
\n" ); document.write( "\n" ); document.write( "Solved.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );