Question 1205281
Not complete.  What more information?


Only enough information to do this:

x and y quantities of each size candle, expect to be whole numbers
C and G price of each small and large candle


{{{system(x+y=28,Cx+Gy=144)}}}
If the unknown quantities are the x and y but known or given are C and G
then you can solve for x and y.
You could pick for integer values, but....