not know the ratio of male to female parents in the one parent house holds.
For that matter, in this day-and-age you don't know it for the two parent
But lets make the socialy conventional assumption that the single parent
households have a female adult,and the two parent households have one
male and one female adult.
There are 12 (40*0.3) single parent households = 12 female adults
There are 28 (40-12) two parent households = 28 female and 28 male adults.
So there are 40 female and 28 male adults and 40*2.6=104 children in the
client base, a total of 172.