Question
P6.SP.JC.19010101-A1
If Flynn and Bryan paint a house, they take 40 days to finish painting. If David and Flynn paint the same house, they take 8 days to finish painting. If Bryan and Billy paint the same house, they take 10 days to finish painting. How many days do David and Billy take to paint the house if they work together?
4 m
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Primary 6 SPEED P6.SP.JC.19010101

26 May 2024, 01:25 AM

If Flynn and Bryan paint a house, they take 40 days to finish painting. If David and Flynn paint the same house, they take 8 days to finish painting. If Bryan and Billy paint the same house, they take 10 days to finish painting. How many days do David and Billy take to paint the house if they work together?
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