10 ml of 24 mg/ml + 0 ml of 18 mg/ml = 24 mg/ml
9 ml of 24 mg/ml + 1 ml of 18 mg/ml = 23.4 mg/ml
8 ml of 24 mg/ml + 2 ml of 18 mg/ml = 22.8 mg/ml
7 ml of 24 mg/ml + 3 ml of 18 mg/ml = 22.2 mg/ml
6 ml of 24 mg/ml + 4 ml of 18 mg/ml = 21.6 mg/ml
5 ml of 24 mg/ml + 5 ml of 18 mg/ml = 21 mg/ml
4 ml of 24 mg/ml + 6 ml of 18 mg/ml = 20.4 mg/ml
3 ml of 24 mg/ml + 7 ml of 18 mg/ml = 19.8 mg/ml
2 ml of 24 mg/ml + 8 ml of 18 mg/ml = 19.2 mg/ml
1 ml of 24 mg/ml + 9 ml of 18 mg/ml = 18.6 mg/ml
0 ml of 24 mg/ml + 10 ml of 18 mg/ml = 18 mg/ml
To figure this out multiply mg/ml * mls for each and add together, then divide by total mls.
For example:
2 ml of 24 mg/ml: 2*24 = 48 mg nicotine
8 ml of 18 mg/ml: 8*18 = 144 mg nicotine
That's 48+144 mgs of nicotine, or 192 mgs nicotine total
Divide 192 mg by total mls (2 ml +8 ml = 10 ml total). 192 mg/10ml = 19.2 mg/ml final nicotine concentration.