document.write( "Question 935985: A canoe took 3 hours to travel up stream and 2 hours to travel the same distance down stream. If the distance was 12 miles each way, what was the speed of the current? \n" ); document.write( "

Algebra.Com's Answer #569388 by josgarithmetic(39618) $\"\"$ $\"About$

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This table of data implies the variables.\r
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\n" ); document.write( "\n" ); document.write( "________________rate___________time__________distance
\n" ); document.write( "UPSTREAM________r-s____________u_____________d
\n" ); document.write( "BACK____________r+s____________v_____________d\r
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\n" ); document.write( "\n" ); document.write( "KNOWN: u,v,d.
\n" ); document.write( "Rule for uniform travel rates, RT=D rate time distance.\r
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\n" ); document.write( "\n" ); document.write( " $\"%28r-s%29%2Au=d\"$ , and $\"%28r%2Bs%29%2Av=d\"$ ;
\n" ); document.write( "Those are two linear equations in the two unknown variables, r and s.\r
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\n" ); document.write( "\n" ); document.write( "Solve for r and s, and then substitute u=3, v=2, d=12. \n" ); document.write( "

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