How much aerobic cardio should I do for extreme fat loss?

ok well I want to lose an extreme amount of fat by the summer (middle of June). I know what to eat and to lift weights. I just want to know how much aerobic cardio should I do in a week to lose an extreme amount of fat. I want to be able to show my abs.
Updates
+1 y
i want to lose like 16 pounds by middle of June
How much aerobic cardio should I do for extreme fat loss?
Post Opinion