One serving of chunk light tuna in water contains 0.5 g of fat. the total food calories in one serving is 60. what percentage of calories come from fat?
According to https://healthyeating.sfgate.com/gram-protein-carbohydrates-contains-many-kilocalories... , there is 9 calories per 1 gram of fat, therefore there is 4.5 per .5 gram.
