your credit cards unpaid balance was $540 last month. if your credit cards apr is 18%, how much interest…

your credit cards unpaid balance was $540 last month. if your credit cards apr is 18%, how much interest will you owe on that unpaid balance?

your credit cards unpaid balance was $540 last month. if your credit cards apr is 18%, how much interest will you owe on that unpaid balance?

Answer

Explanation:

Step1: Convert APR to monthly rate

La tasa mensual $r$ se obtiene dividiendo la tasa anual (APR) entre 12. Dado que el APR es 18% o 0.18 en decimal, entonces $r=\frac{0.18}{12}= 0.015$.

Step2: Calcular el interés

El interés $I$ se calcula multiplicando el saldo impagado $P$ por la tasa mensual $r$. Aquí, $P = 540$ y $r=0.015$. Entonces $I=P\times r=540\times0.015 = 8.1$.

Answer:

$8.1$