document.write( "Question 1143698: Jia’s friends provide dog wash services. For each dog, supply cost $4 and wages are $5. To provide this service, a special room and equipment are needed, at a cost of $400 per month. Jia’s friend maintains an average of 30 dogs washed each month. What must be Jia’s friends charge as a price for the dog washing services to break-even? \n" ); document.write( "

Algebra.Com's Answer #764581 by josmiceli(19441) $\"\"$ $\"About$

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For break-even,
\n" ); document.write( "Profit = 0
\n" ); document.write( "Profit = income minus costs
\n" ); document.write( "Let $\"+p+\"$ = the price to wash 1 dog
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\n" ); document.write( " $\"+I+=+30p+\"$
\n" ); document.write( " $\"+C+=+%28+4+%2B+5+%29%2A30+%2B+400+\"$
\n" ); document.write( " $\"+C+=+270+%2B+400+\"$
\n" ); document.write( " $\"+C+=+670+\"$
\n" ); document.write( " $\"+P+=+I+-+C+\"$
\n" ); document.write( " $\"+P+=+30p+-+670+\"$
\n" ); document.write( " $\"+P+=+0+\"$
\n" ); document.write( " $\"+30p+-+670+=+0+\"$
\n" ); document.write( " $\"+30p+=+670+\"$
\n" ); document.write( " $\"+p+=+22.33+\"$
\n" ); document.write( "$22.33 per dog is the price
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