document.write( "Question 1010012: a car traveled 1350 mi at a certain speed. if the speed had been 9 mph faster, the trip could have been made in 5 hr less time. find the speed \n" ); document.write( "

Algebra.Com's Answer #625504 by josgarithmetic(39618) $\"\"$ $\"About$

You can put this solution on YOUR website!
RT=D uniform travel rates rule\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "

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

\r\n" );
document.write( "             speed        time        distance\r\n" );
document.write( "DONE          r            t           d\r\n" );
document.write( "IF           r+k           t-h         d\r\n" );
document.write( "

\r
\n" ); document.write( "\n" ); document.write( " $\"system%28rt=d%2C%28r%2Bk%29%28t-h%29=d%29\"$
\n" ); document.write( "Solve for unknowns t and r. \n" ); document.write( "

\n" );