Answer to Question #54429 in Other Other for Thuy
A food containing 400 kcals has 10% of kcals from fat. How many grams of fat does this food contains?
m_g = 400 kcal
m_f = 40 kcal (10%)
Fat energy density 9 kcal/g
So 40 kcal / (9 kcal/g) = 4.44 gr
Answer is 4.44 g
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