less than 0.12%
http://www.petplace.com/cats/best-low-magnesium-cat-food-vets-advice-on-best-low-magnesium-cat-food/page1.aspx
your cat should eat at least 1/3 of a cup of food mixed with wet food.
no, and next time look at the ingredients on the bag or box.
A little bit of cat food
2 cans
Sometimes on the back of the bag of cat food there will be a chart or something that says how much you should feed your cat according to its weight.
You should feed a cat a cup of dry food (small pellets, I recommend Science Diet), and half of a small can of adult Science Diet wet cat food or 1/4 of a large adult Science Diet wet food can.
A Bombay cat should weigh about 12 pounds. If a Bombay cat is over 12 pounds then he or she overweight! If so try cutting down on cat food or fish
Cat food
uh... I'm not sure if you asked for this information or a different thing but it depends on the weight of the cat, so if it's a kitten (around 7 lbs) then it should eat about 6 ounces of cat food. But if it's an adult cat (around 13 lbs) then it should eat about 10 ounces of cat food.
No they should eat cat food
You should not feed a cat pizza, it is human food not cat food.
You should give a kitty food three times a day, and a small portion of it. It should also be kitten food.