The average (arithmetic mean) of 4 positive integers is 45. If the average of 2 of these integers is 45, what is the greatest possible value that one of the other 2 integers can have?	Choose the correct choice from the following choices:
A) 55  B) 65  C) 100  D) 89  E) 115
a + b + c + d = 180   a + b = 90   c + d = 90   Greatest possible = 89 (Just less than 1)   Answer = 89
<result>D</result>
The average (arithmetic mean) of 4 positive integers is 45. If the average of 2 of these integers is 45, what is the greatest possible value that one of the other 2 integers can have?