A set has a series of numbers such as a that a_{n+2}= a_n + a_{n+1} . What is the value of a_7:a_5?
(1)The third term is 4
(2)a_4: a_5 = 3:5
Source: 4gmat![]()
(1)The third term is 4
(2)a_4: a_5 = 3:5
Source: 4gmat