Question 314928
N=A+(N-1)D
N=THE Nth NUMBER.
A=THE FIRST NUMBER
D=THE DIFFERENCE
4th=28
5th=34
6th=40
The difference=+6.
The first number (A)=28-3*6)=28-18=10.
Thus the 15th term is:
15th=10+(15-1)*6)
15th=10+14*6
15th=10+84=94 ans.
Proof:
10,16,22,28,34,40,46,52,58,64,70,76,82,88,94