This is a matter of division.
We are asked how much a duck should cost so that 8 of them together make $23.6.
In order to answer this question, we need to divide the price of 8 ($23.6) ducks in 8 ducks!
The price of one duck is
[tex]\frac{23.6}{8}=2.95.[/tex]The price of one duck is $2.95.