How to find an area of this trapuzum

Find the balance at the end of 4 years if 1000 is deposited at the rate of

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?

If 20% of a number is 35, what is 50% of that number?