Walking briskly consumes 250 calories in 1 hour. how long would you have to walk briskly to lose 3 pounds?

note: there are 3,500 calories in 1 pound.

For 250 Calories, it takes = 1 hour
So, for 1 calorie, it is = 1/250 hour

Now, For 3 pound ( = 3500*3 = 10500 Calorie), it would be = 1/250 * 10500
= 10500 / 250 = 1050/25 = 42

In short, Your Answer would be 42 Hours

Hope this helps!