Question 1160485
20 men worked for 6 days and then 12 men worked for some x more days.

1 job is REPAIR A HOUSE.

r, the rate of work for 1 man.


{{{system(20r*30=1,but,20r*12=(12/30)*1)}}}


{{{20r=1/30}}}


{{{r=1/600}}}

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{{{highlight_green(20(1/600)*6+12(1/600)*x=1)}}}
Solve this for x.