Only the number 1.
49 there you go
7 is the number that can go into both 35 and 49.
55
Evenly, 1,7, and 49.
1, 7, and 49.
It is: 49/55 times 100 = 89.09% recurring decimals 0.09
49
61
There are four numbers that go into 55 evenly: 1, 5, 11, and 55.
55 (2695/49)
49 + 6 = 55
6 + 49 = 55