Question

can you please explain me how it gets 16 in the above questions?......​

Answer 1

Answer:

X25 = X9 + 16 d

Step-by-step explanation:

a =first term

d= common difference

Xn = a+ (n-1)d

X9 = a + 8d

X25 = a+ 24d

X25 - X9 = 24d - 8d = 16 d

X25 = X9 + 16 d