How many hours will 70-99 cooking take in runescape P2P?

[gibsondude]

im at 70 cooking. i plan on doing lobbies till 81, then swordies to 84, then sharks to 99. Cooking in rogues den

 

[Unregistered]

fishing method

use lobbies/swordfish till 90 then monks till 94 then sharks till 99 [use cooking gauntlets]