document.write( "Question 114568: 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?
\n" ); document.write( "My question is this: what I know so far is that there is a difference of $60,000 between the old and new revenues. Would I take the $2000 and divide by that difference of $60,000? Or am I just confusing myself here\r
\n" ); document.write( "\n" ); document.write( "Thank You so much for your help,
\n" ); document.write( "Barb Neely
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Algebra.Com's Answer #83336 by checkley71(8403)\"\" \"About 
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A BETTER APPROACH IS THE FOLLOWING:
\n" ); document.write( "2,000/120,000=X/180,000 CROSS MULTIPLY.
\n" ); document.write( "120,000X=2,000*180,000
\n" ); document.write( "120,000X=360,000,000
\n" ); document.write( "X=360,000,000/120,000
\n" ); document.write( "X=$3,000 ANSWER FOR THE AMOUNT OF ADVERTISING EXPENSE.
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