document.write( "Question 901186: One aeroplane started 30 minutes later than the scheduled time from a place 1500 km away from its destination. To reach.the destination at the scheduled time the pilot had to increase the speed by 250 km/hr.what was the speed of the aeroplane per hour during the journey? \n" ); document.write( "
Algebra.Com's Answer #546526 by josgarithmetic(39630)\"\" \"About 
You can put this solution on YOUR website!
____________________speed__________time_________distance
\n" ); document.write( "NORMAL_______________r______________t___________\"1500=rt\"
\n" ); document.write( "LATE________________r+250__________t-1/2________\"1500=%28r%2B250%29%28t-1%2F2%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "r is normal speed which was not used;
\n" ); document.write( "t is normal time which was not used;
\n" ); document.write( "\"not used\", because the plane was late starting.
\n" ); document.write( "Several steps using the system of equations.
\n" ); document.write( "
\n" );