Position in the sequence triangular number relation
1 1 1 = 1*(1+1)/2
2 3 3 = 2(2+1)/2
3 6 6 = 3(3+1)/2
4 10 10 = 4(4+1)/2
5 15 15= 5(5+1)/2
Call n the position in the sequence, then the triangular number is: n(n+1)/2
The LCD of 11 / 15 and 5 / 6 is 30
Answer:
92.5 percent is the answer I got
-2 because adding a positive to a negative is really just taking the negative from the positive number
