document.write( "Question 845061: Hi. This problem is kind of confusing me.\r
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document.write( "Tom can paint a fence in 8 hours. Huck can paint the same fence in 5 hours. How long would it take to put two coats of paint on the fence if Tom and Huck work together? (Leave the answer in improper fraction form)\r
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document.write( "Here's what I came with so far:\r
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document.write( "1/8 + 1/5= 1/t (t for time)
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document.write( "=5t/40 + 8t/40=13t/40
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document.write( "=13t/12 = 40/13
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document.write( "=t=40/13
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document.write( " But what to do next? How do I find the time it would take them to paint two coats on the fence? DO I multiply by 2?\r
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document.write( "Help please. \n" );
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Algebra.Com's Answer #509119 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! Yes but you have to be sure the first coat is dry. \n" ); document.write( " \n" ); document.write( " |