SOLUTION: The revenue for a sandwich shop is directly proportional to its advertising budget. When the owner spent $2000 a month on advertising, the revenue was $120,000. If the revenue is n

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Question 68453: The revenue for a sandwich shop is directly proportional to its advertising budget. When the owner spent $2000 a month on advertising, the revenue was $120,000. If the revenue is now $180,000, how much is the owner spending on advertising?
Answer by funmath(2933)   (Show Source): You can put this solution on YOUR website!
The revenue for a sandwich shop is directly proportional to its advertising budget. When the owner spent $2000 a month on advertising, the revenue was $120,000. If the revenue is now $180,000, how much is the owner spending on advertising?
Let revenue be: R
Let advertising budget be: B
The constant of proportionality: k
Then R=kB
To find k, let B=2000 and R=120000 and solve for k.



Therefore, R=60B Is our forumal to answer the question.
Now let R=180000 and solve for B



Therefore the owner spent $3000 on advertising.
Happy Calculating!!!!

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