document.write( "Question 1080273: Marcus and Tony work for Lombardo's Pipe and Concrete. Mr. Lombardo is preparing an estimate for a customer. He knows that Marcus lays a slab of concrete in 9 hours. Tony lays the same size slab in 6 hours. If both work on the job and the cost of labor is $ 49.00per hour, decide what the labor estimate should be. \n" ); document.write( "
| Algebra.Com's Answer #843887 by mananth(16946)     You can put this solution on YOUR website! Combined rate per hour of job done *cost /hour = estimate\r \n" ); document.write( "\n" ); document.write( "combined rate = 1/6+1/9 = 5/18 \n" ); document.write( "Time taken = 1/(5/18)= 18/5 hours\r \n" ); document.write( "\n" ); document.write( "(18/5) *49= 176.40\r \n" ); document.write( "\n" ); document.write( "Estimate for the job should be $176.40 for labor \n" ); document.write( " |