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anonymous
 one year ago
Steve can paint a room three times as fast as Billy. When they work together, Steve and Billy can paint a large room in 4 hours. How many hours would it take Billy to paint it by himself?
anonymous
 one year ago
Steve can paint a room three times as fast as Billy. When they work together, Steve and Billy can paint a large room in 4 hours. How many hours would it take Billy to paint it by himself?

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@ash2326 @welshfella @mukushla

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0a. 16/3 b. 3/16 c. 3 d. 16

phi
 one year ago
Best ResponseYou've already chosen the best response.0you need to use rate * time = 1 room rate is rooms/hour say billy works at rate "x" steve is 3 times faster, or 3x

phi
 one year ago
Best ResponseYou've already chosen the best response.0when they work together you can say the combined rate is x+3x and (x+3x)* 4 hours = 1 room 4x*4= 1 16x=1 x = 1/16 that is how fast billy works

phi
 one year ago
Best ResponseYou've already chosen the best response.0now use rate * time = 1 with rate = 1/16 to find the time

phi
 one year ago
Best ResponseYou've already chosen the best response.0they asked for How many hours would it take Billy to paint it by himself? (not the rate of steve... rate of steve is 3/16 (three times faster than bill))

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@phi So it woulf be 16/3
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