QUOTE(lilcases)
You now have four cows. What do you do now?
Sell them and use the beans to buy two cows. It's economics!
QUOTE(DustyHaru)
the amount of cows you have now have quadrupled. If your mother takes two, eats one, sells the other and it bears four more cows but all your cows are now belong to us, what do you do now?
Take off every zig.
QUOTE(DustyHaru)
n² - (k+1)² = 5²
List all possible combinations of ordered pair (k,n).
You shouldn't get people to do your homework for you.
(-13,-13)
(-13,11)
(-5,-1)
(5,-1)
(13,-13)
(13,11)