A Calorie is a unit of energy. Nutritionists have said that you are to consume and burn 2000 Calories of energy each day. If one Calorie is equal to 4186 Joules, how many Calories do you burn as you walk up the stairs?

i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles

i'm on my way to history not a mistory.