document.write( "Question 906324: A pilot flew a jet from City A to City B, a distance of 1900 mi. On the return trip, the average speed was 20% faster than the outbound speed. The round-trip took 7 h 20 min. What was the speed from City A to City B? \n" ); document.write( "
Algebra.Com's Answer #549789 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! r*t=d \n" ); document.write( "x+y=7 1/3, \n" ); document.write( "r*x=1900, \n" ); document.write( "(1.2*r)*y=1900 \n" ); document.write( "r=475., x=4., y=3 1/3\r \n" ); document.write( "\n" ); document.write( "1.2*475=570\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |