please answer this ...
its of 4 marks
Attachments:
Answers
Answered by
2
501 = 12+(n-1)3
501-12 = 3n-3
501-9 = 3n
492/3 =n
164 =n
Answered by
1
Step-by-step explanation:
tn=501,n=?,a=12,d=3
Attachments:
Similar questions