Two factors of 28 add up to 9 what are they ?
The answer is 7 and 2.First we find the factors of 28 that are: factors of 28 = 1,2,4,7,14,28now 7 and 2 are the factors of 28 and if we add them we get the answer 97 + 2 = 9 So, 7 and 2 are the two factors of 28 that add up to 9.