(n>=1), what is a6?
(1)a6-a5=3
(2)a7+a8=34
The answer is c. I don't know how to look at statement (2)
(1)a6-a5=3
(2)a7+a8=34
The answer is c. I don't know how to look at statement (2)
n>=1), what is a6?
(1)a6-a5=3
(2)a7+a8=34
(1)
means that succesive term is 3 greater than preceding. It is difference between neighbouring terms
UNSUFF to find the value of a6
(2)
Sum of neighbouring terms
UNSUFF to find the value of a6
(1)(2)
a6 + 3 = a7
a6 + 3 + 3 = a8
2*a6 + 9 = 34
a6 can easily be found
C
