p.s.hey peaches i need some help with these here problems for my sister i need to help her get a check her answers so if someone could give me a quick answer key that would be grate with some explanations

Question

Ian borrows $3580 at 31% simple interest per year. When Ian pays the loan back 7 years later, how much interest does Ian pay?

Zach borrows $1910 at 2.6% simple interest per month. When Zach pays the loan back 3 years later, how much interest does Zach pay?

Craig borrows $1000 at 9% simple interest per year. When Craig pays the loan back 11 years later, what is the total amount that Craig ends up repaying?

Larry borrows $1300 at 5% simple interest per month. When
Larry pays the loan back 3 years later, what is the total amount that Larry ends up repaying?

Fred borrows $40 at 0.8% simple interest per month. When Fred pays the loan back 2 years later, how much interest does

Answer 1

simple interest = principle * rate * time

Answer 2

yes i know what are the answers she gets home in a few minutes

Answer 3

hey what are you doing on here

i don't know you stop trying to scam people she is sitting at the table with me we are currently working on reading a book we need to move on but neither of us know the answers so i'm asking for help with the answers