document.write( "Question 724068: It takes 3 men 8 hours to paint an entire house. How long will it take if 5 men are to do the job? \n" ); document.write( "
Algebra.Com's Answer #443582 by josgarithmetic(39623)![]() ![]() ![]() You can put this solution on YOUR website! Find the rate of one man. Multiply that by 5. The rate of each man is additive when any work together.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "For 3 men working 8 hours to do the job, 1 man needs 3 times the time for the same amount of job; so 1 man works 24 hours for this job.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Five Men? Amount of time is one-fifth of 24 hours, or \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Note that this could also be done using rates of work in the form of jobs/time and can be easier for some people to analyze this way. One would start by saying 3 men working together do the job at the rate of 1/8 jobs per hour... \n" ); document.write( " |