Answers!
Sn= a/1-r and
a=6
sn=6/1-1/5
sn=7.5
Comment
Answer the question...
Sn= a/1-r and
a=6
sn=6/1-1/5
sn=7.5
a=6
sn=6/1-1/5
sn=7.5
Comment