A person burn 55 calories an hour while they are sleeping. How many calories does a person burn during a 15 minute nap?

13.75

OR

14

Step-by-step explanation:

55 calories are burned an hour while sleeping

There's 60 minutes in an hour

55/60 = 0.916666667

there's 0.916666667 calories burned in a minute

13.75 calories are burnt in 15 minutes.

If you round 13.75, it becomes 14.

Step-by-step explanation: given situation is that in 60 minutes a person burns 55calories

So in 1 minute person burns 55/60 calories (using unitary method)

That means in 15 minutes it should burn 15*55/60=13.75calories