~ Idea 1 ~
1 - There are 7 men and there are 7 wives. This means:
14 People = 7 Men + 7 Women
2 - Each wife has 7 children so this means
49 Children = 7 Mothers * 7 Children
3 - The total number of people is…
63 People = 14 Adults + 49 Children
63 People = 7 Men + 7 Women + 49 Children
4...