document.write( "Question 57408This question is from textbook Algebra: Structure and Method
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document.write( ": A ship must average 22 knots (nautical miles per hour) to make its 10-hour run on schedule. During the first four hours bad weather caused it to reduce speed to 16 knots. What should its average speed be for the rest of the trip to maintain its schedule? \n" );
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Algebra.Com's Answer #39154 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! 16*4+X*6=22*10 \n" ); document.write( "64+6X=220 \n" ); document.write( "6X=220-64 \n" ); document.write( "6X=156 \n" ); document.write( "X=156/6 \n" ); document.write( "X=26 KNOTS FOR THE LAST 6 HOURS TO AVERAGE 22 KNOTS FOR THE ENTIRE TRI8P \n" ); document.write( "PROOF \n" ); document.write( "16*4+(26*6)=22*10 \n" ); document.write( "64+156=220 \n" ); document.write( "220=220\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |