Gabylovesyou
  • Gabylovesyou
Lance can paint the room 5 hours, while Kim can paint the same room in 4 hours. How many hours would it take for them to paint the room together? 9 20 twenty ninths nine twentieths
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Ryuga
  • Ryuga
twenty ninths
welshfella
  • welshfella
find out what farction of the room they can paint in 1 hour in terms of time
Crystal_Bliss
  • Crystal_Bliss
nine twentieths. you just add them and then turn it into a number

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welshfella
  • welshfella
lance paints 1/5 of room in 1 hour, Kim paints 1/4 Working together they paint 1 / t so 1/5 + 1/4 = 1/t solve for t
welshfella
  • welshfella
I wish people wouldn't just give the answer
Gabylovesyou
  • Gabylovesyou
yea i get 9/20.. thank you.
welshfella
  • welshfella
its not 9/20 its 20 / 9 multiply each fraction by the LCM 20t, we get 4t + 5t = 20 t = 20/9
Gabylovesyou
  • Gabylovesyou
http://www.wolframalpha.com/input/?i=1%2F5+%2B+1%2F4+%3D+1%2Ft
Gabylovesyou
  • Gabylovesyou
? o-o
Gabylovesyou
  • Gabylovesyou
OHHHHHh i seeee ok... nvm.
welshfella
  • welshfella
lol
Gabylovesyou
  • Gabylovesyou
lol cx thanks.
welshfella
  • welshfella
yw

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