document.write( "Question 1153814: \"A truck driver traveled at an average speed of 56 miles per hour on a 200-mile
\n" ); document.write( "trip to pick up a load of freight. On the return trip (with the truck fully
\n" ); document.write( "loaded), the average speed was 37 miles per hour. Find the average speed for the
\n" ); document.write( "round trip.\"\r
\n" ); document.write( "\n" ); document.write( "That is the question, and the answer is 44.6mi/hr.
\n" ); document.write( "But I don't know how to get to that answer.
\n" ); document.write( "

Algebra.Com's Answer #776111 by josgarithmetic(39618)\"\" \"About 
You can put this solution on YOUR website!
\r\n" );
document.write( "                   SPEED       TIME               DISTANCE\r\n" );
document.write( "\r\n" );
document.write( "PICKUP              56         200/56             200\r\n" );
document.write( "\r\n" );
document.write( "LOADED              37         200/37             200\r\n" );
document.write( "\r\n" );
document.write( "TOTAL                      \"200%2F56%2B200%2F37\"              400\r\n" );
document.write( "
\r
\n" ); document.write( "\n" ); document.write( "The average speed for the whole ROUND-TRIP is \"400%2F%28200%2F56%2B200%2F37%29\"\"miles\"\"per\"\"hour\".
\n" ); document.write( "Simplify and compute that.
\n" ); document.write( "
\n" );