document.write( "Question 889689: One cement mason can lay a cement foundation in 8 hours, while it takes a second 12 hours to do the same task. After working alone for 4 hours, the fist mason quits. How long will it take the second mason to complete the task?\r
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Algebra.Com's Answer #538360 by JulietG(1812)![]() ![]() You can put this solution on YOUR website! The first mason has completed |