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)\"\" \"About 
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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
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\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
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