Question 1084281
Rate of 1 man, 1 job in 100 days
Rate of 1 woman, 1 job in 200 days
Rate of 1 boy, 1 job in 300 days


Days d for 2 men, 6 women, and 5 boys:
{{{(2/100+6/200+5/300)*d=1}}}


{{{highlight(d=15)}}}