Question 1089976
women - - days - - jobs
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w - - - - - -  10 - - - - - - - - - j
1 - - - - - - - 10w - - - - - - - - j
n + w - - - - - (10w)/( n+w ) - - j
n + w - - ( 10w ) / ( j*( n+w )) - - 1
n + w - - ( (10w)*( j+28 ) ) / ( j*( n+w )) - - j + 28 
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( (10w)*( j+28 ) ) / ( j*( n+w )) days
get another opinion on this 
I'm not 100% sure