Posted by **jasmine20** on Sunday, January 14, 2007 at 9:34pm.

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?

Formula: rev = k (ad bud)

120,000 = k (2000)

k = 60

Equation: rev = 60 times (ad bud)

180,000 = 60(ad bud)

Advertising budget = $3000 this is how much the owner is spending on advertising budget.

correct.

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