Question
P6.SP.JC.19010101-A1
If Lee and Henry paint a house, they take 36 days to finish painting. If Ben and Lee paint the same house, they take 9 days to finish painting. If Henry and Riordan paint the same house, they take 18 days to finish painting. How many days do Ben and Riordan take to paint the house if they work together?
4 m
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Primary 6 SPEED P6.SP.JC.19010101

27 Jun 2024, 12:46 AM

If Lee and Henry paint a house, they take 36 days to finish painting. If Ben and Lee paint the same house, they take 9 days to finish painting. If Henry and Riordan paint the same house, they take 18 days to finish painting. How many days do Ben and Riordan take to paint the house if they work together?
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