to find the total cost of two ounces first you need to write the expression
6oz bag=$3.60
And you are trying to figure out how much would you pay for two ounces so you divide
3.60 divided by 6=0.60
So 0.60 equals one ounce so 0.60 times 2=1.20
So a 2 ounce bag will cost $1.20