document.write( "Question 283798: Mrs. Alan travels from home to work at 60 km per Hour (Km/h).
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Algebra.Com's Answer #250802 by songtao(1)\"\" \"About 
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(60+x)/2=72, 60+x=72x2=144, x=144-60=84. So, her speed from work to homes in 84km/h.
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