Hey yall who see this i need some help on my math homework so can someone please help a girl out here

Question

i am in 7th grade yall

i need to know what these are using p=irt

Deb borrows $3190 at 2.9% simple interest per month. When Deb pays the loan back 5 years later, what is the total amount that Deb ends up repaying?

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

Problems are all the same. I will do first one.
$3190 at 2.9% simple interest per month
every month you pay 0.029 * 3190 = 92.51
5 years = 5*12 = 60 months
60 * 91.51 = 5550.60 interest
so
pay back original plus interest
= 3190 + 5550.60 = 8740.60

Answer 2

Thank you sugar