SOLUTION: A website advertises properties for sale. If the property is sold within the month, the website charges $140 for the advertisement, but if the property is not sold within the month

Question 1151840: A website advertises properties for sale. If the property is sold within the month, the website charges $140 for the advertisement, but if the property is not sold within the month, the website pays the advertiser $30. In a particular month, 49 advertisements were placed, and a total of $3120 was made across all advertising. Solve for y, the number of advertisements that resulted in a sale of the property.
Answer by ikleyn(52810) (Show Source): You can put this solution on YOUR website!
.


Let y = the number of advertisements that resulted in a sale of the property.


Then 49-y is the number of advertising that did not result in a sale of the property.


Your equation to find y is this revenue equation


    140*y - 30*(49-y) = 3120.


From the equation,


    y =  = 27.    ANSWER

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