Find the length of each kind of shark.

The white Shark is 18ft long.

The oceanic whitetip shark is 2/3 the length of the tiger shark.

To find the length of each type of shark, we need to start with the information given. We are told that the white shark is 18ft long and that the oceanic whitetip shark is 2/3 the length of the tiger shark.

Let's assume that the length of the tiger shark is "x" feet.

So, the length of the oceanic whitetip shark would be 2/3 of "x".

To find the length of each shark, we need to know the length of the tiger shark. Unfortunately, we don't have that information. Without the length of the tiger shark, we cannot determine the exact lengths of the oceanic whitetip and tiger sharks.

Therefore, we can only say that the white shark is 18ft long.