You start a game with a score of 0. You lose 4 points on each of the first
three turns. How many points will you lose in all on those three turns? What
will your score be after the third turn?
second turn
-4
third turn
-4
+ + +
-12-11 -10 -9
-8-7
-6 -5 -4
3(-4)=-12
first turn
-4
-3
-2
-1
-
'0