Iwould like one these questions , you very much

Diane owes $387 to her brother. if she debits her bank account $161.25 a month to pay him back, how many months will it take her to pay off the debt?

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Carlos spent 1 1/4 hours doing his math homework he spent 1/4 of his time practicing his multiplication facts how many hours to carlos been practicing his multiplication facts