8 to the oldest, 6 to the second, 2 to the youngesst and one to the younger sister
You funny guy! There is no sister! Try harder! :)
Gabriela and Alena´s solution:Sons have to borrow 1 sheep (they will have 18 sheep). The oldest son has 9 sheep (half of 18 sheep), the second 6 sheep (a third) and the youngest 2 sheep = 17 sheep. And then they can return 1 sheep.
Right! Congratulations to Gabriela and Alena!