69
50*51/2 = 1275
i would say count up
It is 50.
rearrange 1 to 50 so that you see this pattern: 50 = 50 1+49 = 50 2+48 = 50 ... 24+26 = 50 25 = 25 then add this up: 25 x 50 + 25 = 1275
100 and 100 can add to 200 50, 50, 50, and 50 can add to 200 8 25s can add to 200 20 10s can add to 200
An odd number of odd numbers can not add up to an even number. There fore any 9 (odd) odd numbers can not add up to 50 (even).
69
50*51/2 = 1275
They both add up to 110
i would say count up
They add up to 50
You can add up to 50 pounds with the vest, after the 50 pounds the vest can get hard to weigh.
2+7+41=50
50
53
Both numbers add up to 90