document.write( "Question 1042835: Tom covers 280 km distance daily at a speed of 80km/hour if speed is reduced by10km/hour. How much time will he take to cover same distance \n" ); document.write( "
Algebra.Com's Answer #657888 by josgarithmetic(39615)\"\" \"About 
You can put this solution on YOUR website!
RT=D is the travel rates rule relating \"speed\" R, time T, and distance D.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"system%2880%2At=280%2C%2880-10%29%28t%2Bx%29=280%29\"
\n" ); document.write( "two unknown variables, two equations;
\n" ); document.write( "You can simply solve for t right away... and then......\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Forming a table of data can often help to find the equations to make for the problem description. Here, the description was taken directly to the two listed equations without a data table.
\n" ); document.write( "
\n" );