document.write( "Question 56128: One grocery clerk can stock a shelf in 20 minutes, whereas a second clerk requires 30 minutes to stock the same shelf. If the two clerks worked together, how long would it take them to stock the shelf ? \n" ); document.write( "
Algebra.Com's Answer #38108 by checkley71(8403)\"\" \"About 
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(20*30)/(20+30)
\n" ); document.write( "600/50=12 MINUTES FOR THE 2 CLERKS TO STOCK THE SHELF WORKING TOGETHER.
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