21 and 5
52.5, when added together.
9
25 and 5 3 and 35 7 and 15 those are just off the top of my head
38 and 8
52.5 x 2 = 105
21*5 is the answer
210
83
There are infinite possibilities. 2 * 105 is a possibility
21 and 5. 21 x 5 = 105. Simple math.
The factor pairs of 105 are: 1 x 105 3 x 35 5 x 21 7 x 15
21 and 5
630
52.5, when added together.
5 and -3
6x7