Question
P6.SP.JC.19010101-A1
If Warren and Tommy paint a house, they take 30 days to finish painting. If Riordan and Warren paint the same house, they take 6 days to finish painting. If Tommy and Ryan paint the same house, they take 15 days to finish painting. How many days do Riordan and Ryan take to paint the house if they work together?
4 m
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Primary 6 SPEED P6.SP.JC.19010101

17 May 2024, 07:06 PM

If Warren and Tommy paint a house, they take 30 days to finish painting. If Riordan and Warren paint the same house, they take 6 days to finish painting. If Tommy and Ryan paint the same house, they take 15 days to finish painting. How many days do Riordan and Ryan take to paint the house if they work together?
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