An analysis of a patient's diet shows they are $90 g$ carbohydrate, $10 g$ protein, and $10 g$ fat each day. Approximately how many calories did this patient consume in one day?

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Solution

Carbohydrates have 4 calories per gram. So, calories present in 90g carbohydrates = 490 = 360 calories

Proteins also have 4 calories per gram. So, calories present in 10g proteins = 410 = 40 calories

Fats have 9 calories per gram. So, the calories present in 10g fats = 9*10 = 90 calories

So, total calories in the patient’s diet = 360 + 40 + 90 = 490 calories.

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An analysis of a patient's diet shows they are 90g carbohydrate, 10g protein, and 10g fat each day. Approximately how many calories did this patient consume in one day?

An analysis of a patient's diet shows they are $90 g$ carbohydrate, $10 g$ protein, and $10 g$ fat each day. Approximately how many calories did this patient consume in one day?