You can, it's not as hard as you might think
simply multiply the speed by the fraction of time
23 × 1/5 = 23/5 = 4 3/5 = 4.6
1 liter has 1000 ml
0.5 l = 2.59
500 ml = 2.59
_____
200 ml = 0.92
100 ml = 0.46
500 ml = 2.3
second deal is better by 29 cents
It's different because they have 2 different numbers<span />
Yes because if you divide 12 by 3 you get 4 and if you divide 27 by 3 you get 9 so it leaves you to 4/9