Question 1086469
Christopher can do a certain task in 6 hours while Edgar can do the same task in 4 hours. What part of the task is finished after 12 hours if they work together?
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1, the whole task


{{{(1/6+1/4)*12}}}

{{{2+3}}}

{{{5}}}


Christopher and Edgar working together for 12 hours can do the task 5 times.