document.write( "Question 762230: Tommy can paint a fence in 9 hours. If his friend Huck helps, they can paint the fence in 1 hour. How fast could Huck paint the fence by himself? \n" ); document.write( "
Algebra.Com's Answer #463783 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! Uniform rate, and the rate of each person when working together is additive using their rates.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Tommy: 1 job per 9 hours, rate is 1/9 jobs per hour. \n" ); document.write( "Huck: 1/t jobs per hour, we do not know this t. \n" ); document.write( "Tommy+Huck: 1 job per hour.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Look carefully that the units used here are as JOBS PER HOUR, where 1 job means, \"paint the fence\".\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Rates of each are additive, as already said. \n" ); document.write( " \n" ); document.write( "Find t. \n" ); document.write( " |