Answer:
Number of men in terms of x =

Step-by-step explanation:
Let number of children be y
then number of adults = 3y
let number of men be z
number of women = 2z
adults = men + women
adults = z+2z
total number of adults= 3z
number of adults = 3 times number of children = 3y
3z = 3y
z =y
Total were = men + women + children = x
z+ 2z + z = x
4z=x
z =
number of men in terms of x =