document.write( "Question 1137493: Two trucks Truck A and truck B are driving across the country taking the same route. After 1 day truck A was 117 miles behind truck B. The next day truck A drove 185 miles more than truck B. The third day truck B drove 48 miles more miles than truck A. Where is truck A in relation to truck B after the third day?
\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #755365 by ikleyn(52847) $\"\"$ $\"About$

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

\r\n" );
document.write( "Let's write distances:\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Day 1 :  A1 = B1 - 117    (1)\r\n" );
document.write( "\r\n" );
document.write( "Day 2 :  A2 = B2 + 185    (2)\r\n" );
document.write( "\r\n" );
document.write( "Day 3 :  A3 = B3 -  48    (3)\r\n" );
document.write( "\r\n" );
document.write( "-------------------------------  Add equations (1), (2) and (3).  You will get\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "        A1 + A2 + A3 = B1 + B2 + B3 + (-117 + 185 - 48),     or\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "        A1 + A2 + A3 = B1 + B2 + B3 + 20\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "It means that in three days Truck A covered the distance 20 miles longer than Truck B.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "In other words,  Truck A is 20 miles ahead of Truck B after 3 days driving.    ANSWER\r\n" );
document.write( "

\r
\n" ); document.write( "\n" ); document.write( "Solved.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "It is a case and a good example when the Algebra language works better and is more clear than a human language.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );