OK can some one please help me with this

f  = 3.1

Step-by-step explanation:

First you must subtract 6.4 from both sides to get -4.8f = -14.88. Divide both sides by -4.8 to get f = 3.1

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

answer is : muchas/tipicas

have a nice day!

~recklesschicken