document.write( "Question 821698: A plumber charges P200 for a service call plus P100 for each hour of work. How much will the plumber charge if he works for 8 hours?
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Algebra.Com's Answer #494347 by TimothyLamb(4379) $\"\"$ $\"About$

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\n" ); document.write( "c(t) = 100t + 200
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\n" ); document.write( "c(8) = 100(8) + 200
\n" ); document.write( "c(8) = 800 + 200
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\n" ); document.write( "answer:
\n" ); document.write( "c(8) = 1000 pound
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