So you divide each to find out how much it would be for 1 fl oz:
199 ÷ 32 = 6.22 = $0.06
249 ÷ 50 = 4.98 = $0.05
So the answer is 50 fl oz for $2.49
-
269 ÷ 12 = 22.42 = $0.22
319 ÷ 16 = 19.93 = $0.20
So the answer is 16 oz for $3.19
Hope this helps! Thanks for posting the details :)