a construction word problem

timer Asked: Jun 4th, 2015

Question description

a construction company has contracted to dig a large trench for drainage pipes. the larger backhoe can dig the trench itself in 6 days. the smaller backhoe can dig it in  8 days. the larger backhoe begins doing it and works for 2 days then gets called to another job. how long will it take for the smaller backhoe to finish the job  

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