Answer:
12 different sums
Step-by-step explanation:
there's three darts and three numbers.
if you use the factorial 3! for both the number of darts and the score numbers and add the two together, you would get twelve :
( 3! = 3*2*1 = 6 ) * 2
6 + 6 = 12
or you could just write out all the combinations like this :
2+2+2
2+2+5
2+5+5
2+5+8
2+8+8
5+5+2
5+5+5
5+5+8
5+8+8
8+8+2
8+8+5
8+8+8