Does anyone know because im stuck on this

12.5

Step-by-step explanation:

AO = 1/2 AC = 12.5

answer: the 4 kilogram bag

step-by-step explanation: this is because if you divide the number of kilograms into the total it will tell you how much each individual kilogram would be worth. 2 kilos is 7 and change 3 would be around 6 ish and the 4 kilo would be 4.6 and change and the 5 kilos would be like 4.88

i got 86 for this

hope this !

if you need an explanation just ask