15
Since they must total 30, and be equal, divide 30 in half. 30 divided by 2 will give you the answer.
4.2857
90
120 divided by four = 30
30
no ex: 30 divided by 2 = 15(not even)
0.1667
Because your calculator is broken. Seriously; 30 divided by half (0.5) is 60 and 60 + 10 = 70 So, 30 cut in half (30/2) is 15 but 30 DIVIDED BY half (30/0.5) is 60.
140
30
20
20