A box of chocolates contains 2 ounces of fruit crèmes, and the rest are caramels. If the box weighs 8 ounces, how many ounces of caramels are there?

Which of the equations below could be used to solve the problem

a] 2"1/3+c=8"5/6
b] 8"5/6+c=2"1/3
c] c-8"5/6=2"1/3
d] 2"1/3x8"5/6=c