document.write( "Question 615713: It takes 10 working days for 15men to finish a painting job in certain warehouse. If there were 10 painters available and 5 of them could only work for half-day, how many days will it take to finish the job? \n" ); document.write( "
| Algebra.Com's Answer #387284 by stanbon(75887)      You can put this solution on YOUR website! It takes 10 working days for 15 men to finish a painting job in certain warehouse. If there were 10 painters available and 5 of them could only work for half-day, how many days will it take to finish the job? \n" ); document.write( "---\r \n" ); document.write( "\n" ); document.write( "Job takes 10*15 = 150 man-days \n" ); document.write( "5 full-time painters can do 5x man-days of the job \n" ); document.write( "5 (1/2)-time painters can do (5/2)x man-days of the job \n" ); document.write( "----------------- \n" ); document.write( "Equation: \n" ); document.write( "5x + (5/2)x = 150 man-days \n" ); document.write( "(15/2)x = 150 man-days \n" ); document.write( "x = 300/15 = 20 days total time to do the job \n" ); document.write( "============= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "=============== \n" ); document.write( " |