a=8,d=7,an=99 find n
Answers
Answered by
0
Answer:
An = a + (n-1)d
99 = 8 + (n-1)7
99 = 8+7n -7
99 = 7n +1
7n = 98
n = 98/7
n = 14
hope it helps you
Answered by
0
Answer:
Step-by-step explanation:
a=8
an=99
n=99/8
n=12.3
Similar questions