Using the Calories burned while exercising Calculator (http://exercise.about.com

Question

Using the Calories burned while exercising Calculator (http://exercise.about.com/cs/fitnesstools/l/blcalorieburn.htm) and the Food Calories and Nutrition Calculator (http://www.livestrong.com/myplate/) answer the following question:

You have been steadily gaining 2 pounds of weight (fat) each year for the last 10 years and are now 20 pounds overweight. You wish to lose this extra weight by making the following two changes to your diet/lifestyle:

You typically drink one serving each day of Starbucks’ Caffe Vanilla Frappuccino Blended Coffee (with whip cream). You will eliminate this drink (or its caloric equivalent) from your diet.

You will walk 45 minutes every day (briskly, with your dog).

How many months will it take you to lose 20 pounds by making the above changes? Show all numbers used and calculations. Don’t forget to first figure out how many calories extra you are consuming each day that is causing your 2 pounds per year weight gain. You will need to subtract this from the calories you will save/lose by eliminating the Starbucks coffee and from walking. Hint – it’s only a few months!

Explanation / Answer

Calories from Starbucks’ Caffe Vanilla Frappuccino Blended Coffee (with whip cream) =200 calories

calories burned through brisk walking for 45 minutes= 350 calories

Burning 3500 calories is equivalent to loss of one pound of weight

20 pound loss will be equivalent to 3500X 20 = 70000 calories

Per day loss of calories is 350+200= 500 calories

Time required to lose 7000 calories would be: 70000/500 = 140 days= 5 months and 10 days approximately.

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