document.write( "Question 907410: From a point on a stright road, Chris and elena ride bicycles in the same direction. Chris rides at 10 mph and Elena rides at 12 mph. In how meany hours will thay be 9 miles apart? \n" ); document.write( "
Algebra.Com's Answer #550338 by richwmiller(17219)\"\" \"About 
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12t-10t=9
\n" ); document.write( "(12-10)*t=9
\n" ); document.write( "2*t=9
\n" ); document.write( "t=4.5 hours
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\n" ); document.write( "4.5*12=54
\n" ); document.write( "4.5*10=45
\n" ); document.write( "54-45=9
\n" ); document.write( "ok
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