document.write( "Question 807546: After a sailboat had been on the water for 4 h, a change in the wind direction reduced the average speed of the boat by 2 mph. The entire distance sailed was 78 mi. The total time spent sailing was 7 h. How far did the sailboat travel in the first 4 h? \n" ); document.write( "
Algebra.Com's Answer #486351 by richwmiller(17219)\"\" \"About 
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4x+3(x-2)=78
\n" ); document.write( "4x+3x-6=78
\n" ); document.write( "7x-6=78
\n" ); document.write( "7x=84
\n" ); document.write( "x = 12
\n" ); document.write( "4*12=48 miles first 4 hr
\n" ); document.write( "3*10=30 miles last 3 hours\r
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