Ineed to know how to solve this problem because i’m very confused and it doesn’t explain what it is or how to do it in my textbook

Sunday: 1 1 2 monday: 1 tuesday: 2 1 2 wednesday: 1 3 4 thursday: 2 friday: 1 1 2 saturday: 2 jenna is a swimmer and trains every day. the schedule shown outlines the number of hours she trains each day. what is the total number of hours that jenna trains during the week?

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?