Well, darling, 350 divided by 12 is 29.1666666667 if you want to get all technical about it. But let's keep it simple and say it's approximately 29 with a remainder of 2. So, there you have it, math wizard!
350 divided to 50 = 7
350
175
0.1429
350
0.2657
0.0257
38.8889
350
350 divided by 18 into a percentage = 1944.44%
2.1429
3.6842