Question

a man married a widow and they each already had children. ten years later, the mother ran to the father and cried, come at once! Your children and may children are fighting our children! As the parents now had each nine children of their own, how many were born during the ten years if there are a total of twelve children?

Answer 1

x + y = 9
2x + y = 12

x = 3
y = 6

They each had 3 children before and share an additional 6 children.

Answer 2

thanks :)