document.write( "Question 24814: A computer repair bill was $225. This included $75 for parts and $50 for each hour of labor. Find the number of hours of labor. \n" ); document.write( "
Algebra.Com's Answer #13243 by chripchrip(6)\"\" \"About 
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let x be the labour hour
\n" ); document.write( "75+50x=225
\n" ); document.write( "50x=225-75
\n" ); document.write( "50x=150
\n" ); document.write( "x=3
\n" ); document.write( "the nos of labour hour is 3
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