document.write( "Question 34373: A bricklayer and an electrician together spend 90 hours working on a new house. If the bricklayer earns $12 per hour, the electrician earns $16 an hour, and the owner pays them a total of $1350 for their work, how many hours does each worker spend on the house? \n" ); document.write( "
Algebra.Com's Answer #20718 by hydromojo(20)\"\" \"About 
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Suppose the bricklayer work for 'X' hrs, the electrician works for (90-X) hrs\r
\n" ); document.write( "\n" ); document.write( "their pay will be 12X & 16*(90-X)\r
\n" ); document.write( "\n" ); document.write( "They get a total of $1350 for their work.\r
\n" ); document.write( "\n" ); document.write( "So, 12X + 16*(90-X) = 1350\r
\n" ); document.write( "\n" ); document.write( "Solving for X, you get 22.5, and the eletrician works for 67.5hrs
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