<span>24: 24, 48, 72, 96, 120,
144, 168, 192, 216, 240, <span>264, 288 ,312, 336, 360, 384,
408, 432, 456, 480, 504, 528, 552, 576, 600, 624, 648, 672, 696, 720, 744, 768,
792, 816, 840, 864, 888, 912, 936, 960, 984, 1008, 1032, 1056, 1080
</span></span>30: 30, 60, 90, 120, 150, 180, 210, 240, 270, 300, 330, 360, 390, 420, 450,
480, 510, 540, 570, 600, 630, 660, 690, 720, 750, 780, 810, 840, 870, 900, 930,
960, 990, 1020, 1050, 1080
54: 54, 108, 162, 216, 270, 324, 378, 442, 486, 540, <span>594, 648, 702, 756, 810,
864, 918, 972, 1026, 1080
1080p.</span>
-1/2x < -12
Divide both sides by -1/2
Also because you are dividing by a negative number you need to reverse the inequality sign.
X > 24