If $$6$$ cans contain $$96$$ teaspoons of sugar, $$1$$ can contains $$96\div6 = 16$$ teaspoons of sugar. Thus $$15$$ cans contain $$16\times15 =240$$ teaspoons of sugar. 
If $$6$$ cans of Sweet Stuff Soda all together contain $$96$$ teaspoons of sugar, then there are a total of teaspoons of sugar in $$15$$ cans. 
a. $$192$$ 
b. $$208$$ 
c. $$240$$ 
d. $$270$$ 
e. $$288$$ 