document.write( "Question 571498: It took Fran 5.4 to drive to her mothers house on saturday morning. On sunday it took her 6 hours to get home. Her average speed was 7 mph slower, what was the average speed on sunday? \n" ); document.write( "
Algebra.Com's Answer #368087 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! It took Fran 5.4 to drive to her mothers house on saturday morning. On sunday it took her 6 hours to get home. Her average speed was 7 mph slower, what was the average speed on sunday \n" ); document.write( "** \n" ); document.write( "let x=Fran's average speed on Sunday \n" ); document.write( "x+7=Fran's average speed on Saturday \n" ); document.write( "distance=travel time*speed (same for both days) \n" ); document.write( ".. \n" ); document.write( "5.4(x+7)=6x \n" ); document.write( "5.4x+37.8=6x \n" ); document.write( ".6x=37.8 \n" ); document.write( "x=37.8/.6=63 \n" ); document.write( "ans: \n" ); document.write( "Fran's average speed on Sunday=63 mph\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |