Answer:
5 hours
Step-by-step explanation:
This is a classic pre-algebra question.

Answer:
much thinner
Step-by-step explanation:
#first
A) The first one equals to 5
Step by step:
Change all denominators to 28, what you do to the bottom you do to the top.
After adding simplify.
Answer:
12 Step-by-step explanation:
I believe there has to be an image included with this question my friend. Thine error hath been made known by the supreme lord of dao.