Question 522873
6 chairs are made by 8 workers in 12 days.
Find no. of man-day required for each chair
{{{(8*12)/6}}} = 16 man-days per chair
: 
50 chairs are made by 15 workers in how many days?
Let d = no. of days to accomplish this
15d = 50(16)
15d = 800
d = {{{800/15}}}
d = 53{{{1/3}}} days