document.write( "Question 1050225: The Cunninghams are moving across the country. Mr. Cunningham leaves 3.5 hours before Mrs. Cunningham. If he averages 50 mph and she averages 70 mph, how long will it take Mrs. Cunningham to overtake Mr. Cunningham? Solve. \n" ); document.write( "

Algebra.Com's Answer #665792 by josgarithmetic(39620) $\"\"$ $\"About$

You can put this solution on YOUR website!
The two travelers catchup problem\r
\n" ); document.write( "\n" ); document.write( "

\r\n" );
document.write( "h=3.5 hour\r\n" );
document.write( "r=50 mph\r\n" );
document.write( "R=70 mph\r\n" );
document.write( "t, unknown travel time for catchup for traveler at R\r\n" );
document.write( "d, unknown distance upon catchup\r\n" );
document.write( "

\n" ); document.write( "BASIC Constant Travel Rate Formula: $\"D%2FT=R\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "

\r\n" );
document.write( "                  SPEED        TIME       DISTANCE\r\n" );
document.write( "Mr. Cumming        r           t+h        d\r\n" );
document.write( "Mrs. Cumming       R           t          d\r\n" );
document.write( "

\n" ); document.write( "Write the equations for the system, and solve for t and d. \n" ); document.write( "

\n" );