document.write( "Question 828385: A woman can walk to work at a rate of 3 mi/hr, or she can bicycle to work at a rate of 12 mi/hr. If it takes her 1 h longer to walk than to ride, find the time it takes her to walk to work. \n" ); document.write( "
Algebra.Com's Answer #499286 by TimothyLamb(4379)\"\" \"About 
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\n" ); document.write( "s = d/t
\n" ); document.write( "t = d/s
\n" ); document.write( "---
\n" ); document.write( "time to ride:
\n" ); document.write( "t = d/12
\n" ); document.write( "---
\n" ); document.write( "time to walk:
\n" ); document.write( "t + 1 = d/3
\n" ); document.write( "t = d/3 - 1
\n" ); document.write( "---
\n" ); document.write( "d/12 = d/3 - 1
\n" ); document.write( "1 = d/3 - d/12
\n" ); document.write( "1 = 12d/36 - 3d/36
\n" ); document.write( "1 = 9d/36
\n" ); document.write( "9d = 36
\n" ); document.write( "---
\n" ); document.write( "d = 4 miles
\n" ); document.write( "---
\n" ); document.write( "time to ride:
\n" ); document.write( "t = 4/12
\n" ); document.write( "t = 1/3
\n" ); document.write( "t = 20 minutes
\n" ); document.write( "---
\n" ); document.write( "answer:
\n" ); document.write( "time to walk = t + 1 = 1 hour and 20 minutes
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