document.write( "Question 630957: Joe's boat can travel 15 miles upstream and 15 miles downstream in a total of 4 hours. If the speed of the current is 5 mph, what is the speed of boat in still water? \r
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document.write( "equation for this problem and how you get it? \n" );
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Algebra.Com's Answer #397238 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! R*t=d \n" ); document.write( "(r+ c)*(t)=15; \n" ); document.write( "(r-c)*(4-t)=15; \n" ); document.write( "c=5, r = 10, t = 1 \n" ); document.write( "time equals one hour with current \n" ); document.write( "three hours against current \n" ); document.write( "check \n" ); document.write( "15*1=15 \n" ); document.write( "5*3=15 \n" ); document.write( "ok\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |