document.write( "Question 424584: i could use some help with this problem, nigel can paint a room in 8 hours, while phil can paint the same room in 6 hours how long would it take them to paint 4 rooms of that same size?
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Algebra.Com's Answer #295927 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

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nigel can paint a room in 8 hours,
\n" ); document.write( " while phil can paint the same room in 6 hours how long would it take them to
\n" ); document.write( " paint 4 rooms of that same size?
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\n" ); document.write( "Let t = time when both work together, to paint 4 rooms
\n" ); document.write( "Let the painting of one room = 1
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\n" ); document.write( " $\"t%2F8\"$ + $\"t%2F6\"$ = 4(1)
\n" ); document.write( "multiply by 24
\n" ); document.write( "24* $\"t%2F8\"$ + 24* $\"t%2F6\"$ = 24(4)
\n" ); document.write( "Cancel the denominators, results:
\n" ); document.write( "3t + 4t = 96
\n" ); document.write( "7t = 96
\n" ); document.write( "t = $\"96%2F7\"$
\n" ); document.write( "t = 13.7 hrs working together they can paint 4 rooms
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\n" ); document.write( "Check solution
\n" ); document.write( " $\"13.7%2F8\"$ + $\"13.7%2F6\"$ =
\n" ); document.write( "1.7125 + 2.833 ~ 4.0 \n" ); document.write( "

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