document.write( "Question 618539: in checking records finds that crew A can pave a contract length of highway in 8 hours. Crew B can do the same job in 10 hours. how long would it take if they worked together? \n" ); document.write( "
Algebra.Com's Answer #389123 by scott8148(6628)\"\" \"About 
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(x / 8) + (x / 10) = 1 \n" ); document.write( "
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