document.write( "Question 1067115: Use a system of equation to model each situation .suppose you starting a cleaning service .you have spent $315 on equipment .to clean ahouse you use $4 worth of supplies.you charge a one time fee of $50 plus $20 per cleaning.how many times would have to clean ahouse in order to make a profit? \n" ); document.write( "

Algebra.Com's Answer #682336 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"+n+\"$ = number of houses cleaned
\n" ); document.write( "If I'm reading this right,
\n" ); document.write( " $\"+%28+4+%2B+20+%29%2An+%2B+50+%3C=+315+\"$
\n" ); document.write( " $\"+24n+%2B+50+%3C=+315+\"$
\n" ); document.write( " $\"+24n+%3C=+265+\"$
\n" ); document.write( " $\"+n+%3C=+11+\"$
\n" ); document.write( "So, they would make a profit after
\n" ); document.write( "cleaning 12 houses
\n" ); document.write( " \n" ); document.write( "

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