Final answer:
An athlete who wants to consume 40% of their daily caloric intake from fat and consume 4,200 calories per day should consume approximately 185 grams of fat per day.
Step-by-step explanation:
An athlete who wants to consume 40% of their daily caloric intake from fat and consume 4,200 calories per day would need to calculate the grams of fat they should consume. First, calculate the total calories from fat by multiplying the total calories per day by 40%:
Total calories from fat = 4,200 calories x 40% = 1,680 calories
Next, divide the total calories from fat by the average number of calories per gram of fat to find the grams of fat:
Grams of fat = 1,680 calories / 9.1 calories/g = 184.62 g
Rounding to the nearest whole number, the athlete should consume approximately 185 grams of fat per day.