SOLUTION: Sally can paint a room in 4 hours while it takes Steve 8 hours to paint the same room. How long would it take them to paint the room if they worked together?

Question 1152870: Sally can paint a room in 4 hours while it takes Steve 8 hours to paint the same room. How long would it take them to paint the room if they worked together?
Found 2 solutions by VFBundy, Alan3354:
Answer by VFBundy(438) (Show Source): You can put this solution on YOUR website!
Sally's rate of work = 1/4 room per hour
Steve's rate of work = 1/8 room per hour

Rate working together = 1/4 + 1/8 room per hour = 3/8 room per hour

If they can paint 3/8 room per hour, that means it takes them 8/3 hours to paint the room.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Sally can paint a room in 4 hours while it takes Steve 8 hours to paint the same room. How long would it take them to paint the room if they worked together?
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A different approach:
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Sally's work = that of 2 Steves.
--> 8/3 hours
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Or,
8*4/(8+4) = 32/12 = 8/3 hours

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SOLUTION: Sally can paint a room in 4 hours while it takes Steve 8 hours to paint the same room. How long would it take them to paint the room if they worked​ together?

SOLUTION: Sally can paint a room in 4 hours while it takes Steve 8 hours to paint the same room. How long would it take them to paint the room if they worked together?