Calculate Percent Decrease in Marilyn's Rent

What is the monthly rent decrease in Marilyn's house?

A. $60

B. $40

C. $100

D. $20

Answer:

The correct monthly rent decrease in Marilyn's house is option A, which is $60.

Marilyn's monthly rent went from $500 to $440, resulting in a $60 decrease. To calculate the percent decrease, we can use the following proportion:

($440 - $500) / $500 = p / 100

By solving this proportion, we find that the percent decrease is 12%. Therefore, the correct answer to the question is option A, $60.