Help pls am confused

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Laura read 1/8 of a comic book in 2 days. she reads the same number of pages every day. what part of the book does she read in a week

What is the greatest number of parts of a circle that can be formed by cutting the circle with 7 straight cuts? (note: the parts do not have to be equal in size)