My question is: Mr. Dubois buys a new car for $13,380. He pays $5,400 and pays the rest by giving $420 a month. In how many months will the car be fully paid for? Your thoughts:
Dubois has to pay $13,380 $5,400 = $7,980 more. He will pay that in $7,980 : $420 = 19 months. The final answer: 19.