document.write( "Question 440018: Jane and Mary are 12 miles apart hiking toward each other. How long will it take them to meet if Jane walks at 3mph and Mary walks 1 mph faster than Jane? \n" ); document.write( "
Algebra.Com's Answer #304052 by josmiceli(19441)\"\" \"About 
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Let \"t\" = time for them to meet
\n" ); document.write( "given:
\n" ); document.write( "Jane's rate: \"+3+\" mi/hr
\n" ); document.write( "Mary's rate: \"+4+\" mi/hr
\n" ); document.write( "They are \"12\" miles apart
\n" ); document.write( "You can think of one hiker as standing still and the other
\n" ); document.write( "approaching at the sum of their rates
\n" ); document.write( "\"+12+=+%283+%2B+4%29%2At+\"
\n" ); document.write( "\"+t+=+12%2F7+\"
\n" ); document.write( "\"+t+=+1.714+\" hrs
\n" ); document.write( "\"+.714%2A60+=+43+\" min
\n" ); document.write( "They will meet in 1 hr and 43 min
\n" ); document.write( "
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