Answer:
The answer to your question is 88 kcal
Explanation:
Data
mass of carbohydrates = 22 g
Energy = 4 kcal/gal
Total energy = ?
Process
To solve this process use proportions and cross multiplication
        4 kcal ------------------- 1 g
         x     ------------------- 22 g
         x = (22 x 4) / 1
        x = 88 kcal
This apple contains 88 kcal
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