Find the total amount to be paid back that is loan plus interest on these loans 2009 RAV4 3 weeks and one naira and it's 10 naira interest per week

Assuming that the loan amount is 0, the total amount to be paid back would be:

Loan + Interest = (3 weeks * 10 naira/week) + (1 naira)
Loan + Interest = 30 naira + 1 naira
Loan + Interest = 31 naira

Therefore, the total amount to be paid back on the loan for the 2009 RAV4 is 31 Naira.