Question
P6.SP.JC.19010101-A1
If Tom and Peter paint a house, they take 36 days to finish painting. If Ken and Tom paint the same house, they take 4 days to finish painting. If Peter and David paint the same house, they take 18 days to finish painting. How many days do Ken and David take to paint the house if they work together?
4 m
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Primary 6 SPEED P6.SP.JC.19010101

18 Jun 2024, 07:59 PM

If Tom and Peter paint a house, they take 36 days to finish painting. If Ken and Tom paint the same house, they take 4 days to finish painting. If Peter and David paint the same house, they take 18 days to finish painting. How many days do Ken and David take to paint the house if they work together?
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