document.write( "Question 792203: Three people can complete a task in 3hr. 20min. How long would it take 4 people to complete the same task if they worked at the same rate as the other 3?
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Algebra.Com's Answer #479877 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Three people can complete a task in 3hr. 20min. How long would it take 4 people to complete the same task if they worked at the same rate as the other 3? \n" ); document.write( "--------- \n" ); document.write( "Note: 3hr 20 min = 3 1/3 = 10/3 hours. \n" ); document.write( "------------------------ \n" ); document.write( "# of people and amt. of time are inversely related: \n" ); document.write( "t = k/p \n" ); document.write( "------- \n" ); document.write( "Solve for \"k\" using \"three people can complete a task in 3hr. 20 min\". \n" ); document.write( "------- \n" ); document.write( "10/3 = k/3 \n" ); document.write( "k =10 \n" ); document.write( "---------- \n" ); document.write( "Equation: \n" ); document.write( "t = 10/p \n" ); document.write( "------ \n" ); document.write( "How long would it take 4 people to complete the same task if they worked at the same rate as the other 3? \n" ); document.write( "t = 10/4 \n" ); document.write( "t = 5/2 = 2 1/2 hrs or 2hrs 30min \n" ); document.write( "================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================== \n" ); document.write( " \n" ); document.write( " |