Question 914363
Re TY
Now understand Your Question. Ty
It is of the variety ...
ax + by + cz = d
x + y + z = 100 (seats)
....
5x + 2y + .5z = $100
$5(k) + $2(100-k-m) + $0.5m = $100
solve by assigning appropriate values to k & m
Using
k = 5 ,  m = 70
$5(5) + $2(25) + $0.5(70) = $100
Ans: 5M, 25W and 70 children