If there are 300calories in 100grams of certain food,how many calories in 30gram portion of that food?
If there are 300calories in 100grams of certain food,how many calories in 30gram portion of that food? Correct Answer 90
in 100grams there are 300 calories ∴ in 30gram there are (300*30)/100 = 90 calories ans: 90 calories