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

20 May 2024, 10:42 AM

If Bobby and Ken paint a house, they take 40 days to finish painting. If Ian and Bobby paint the same house, they take 8 days to finish painting. If Ken and Liam paint the same house, they take 10 days to finish painting. How many days do Ian and Liam take to paint the house if they work together?
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