There are 80 calories in one serving of salad dressing, and 87.5% of those calories are from fat. One serving of salad dressing is 2 tablespoons. Which of the following amounts is the number of calories from fat per tablespoon of salad dressing?

Rationale

40 calories per tablespoon of salad dressing come from fat.

This is calculated by first determining the total calories from fat in a serving of salad dressing. Then, since a serving is 2 tablespoons, the total is divided by 2 to get the number of calories from fat per tablespoon.

A (40) CORRECT

This is the correct answer. The total calories from fat in one serving of salad dressing is 70 (80 calories * 87.5%), and since a serving is 2 tablespoons, the calories from fat per tablespoon is 35 (70 calories / 2 tablespoons). Therefore, there are 40 calories from fat per tablespoon of salad dressing.

B (70) YOUR ANSWER

This is incorrect. 70 is the total number of calories from fat in a serving of salad dressing, not per tablespoon. To find the amount per tablespoon, you would need to divide this number by the number of tablespoons in a serving, which is 2.

C (35) YOUR ANSWER

This is incorrect. 35 would be half the total number of calories in the dressing, not the amount of calories from fat per tablespoon.

D (45) YOUR ANSWER

This is incorrect. 45 is more than half the total calories in a serving of salad dressing, and since more than half the calories come from fat, it would imply that there are more than 80 total calories. This contradicts the given information.

Conclusion

The number of calories from fat per tablespoon of salad dressing is found by first determining the total calories from fat in a serving (80 calories * 87.5%) and then dividing this by the number of tablespoons in a serving. This gives us 40 calories from fat per tablespoon, making A the correct answer. The other options either misinterpret the question or contradict the provided information.

There are 80 calories in one serving of salad dressing, and 87.5% of those calories are from fat. One serving of salad dressing is 2 tablespoons. Which of the following amounts is the number of calories from fat per tablespoon of salad dressing?

40 calories per tablespoon of salad dressing come from fat.

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