document.write( "Question 806103: If it takes two men two hours to dig a hole 3 metres long, 3 metres wide and 3 metres deep, how long would it take the same two men to dig a hole 6 metres long, 6 metres wide and 6 metres deep if they worked at the same rate? \n" ); document.write( "
Algebra.Com's Answer #485683 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! The two tricks are to define the meaning of 1 job, and calculate the one-man work rate.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The meaning of 1 job is, \" dig a hole 3 metres long, 3 metres wide and 3 metres deep,\". This will give the size of the hole, meaning The Job.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The question part will also be some quantity of job, in that case, 6*6*6. If one job is a hole 3*3*3, then how many job is 6*6*6? The job quantity asked is \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "If 2 men need 3 hours to do 1 job, \n" ); document.write( "then \n" ); document.write( "1 man needs 2*3=6 hours to do this 1 job. The one-man rate is \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Thinking for this again, if the same two men are to do 8 jobs, these same two men still have their already-given rate of \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "rate*time=jobs \n" ); document.write( " |