document.write( "Question 1080950: Elena went on a 6-mile walk. She completed the first half of the walk 1 mi/h faster than usual and the second half of the walk 2 mi/h slower than the first half.
\n" ); document.write( "a. If it took her 7.2 to complete the walk, what is her usual rate?
\n" ); document.write( "b. What is the formula necessary to solve this problem? \n" ); document.write( "

Algebra.Com's Answer #695033 by josgarithmetic(39630) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "r, the usual walking rate\r\n" );
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document.write( "               RATE           TIME        DISTANCE\r\n" );
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document.write( "FIRST          r+1                          3\r\n" );
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document.write( "SECOND         r+1-2                        3\r\n" );
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document.write( "TOTAL                          7.2          6\r\n" );
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document.write( "Simplify any expressions in the table and fill the rest of the spots.\r\n" );
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document.write( "               RATE           TIME        DISTANCE\r\n" );
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document.write( "FIRST          r+1            3/(r+1)       3\r\n" );
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document.write( "SECOND         r-1            3/(r-1)       3\r\n" );
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document.write( "TOTAL                          7.2          6\r\n" );
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\n" ); document.write( "\n" ); document.write( "Equation with the variable to be solved:
\n" ); document.write( " $\"3%2F%28r%2B1%29%2B3%2F%28r-1%29=7.2\"$ \n" ); document.write( "

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