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

29 Jun 2024, 08:43 AM

If Ken and Mark paint a house, they take 30 days to finish painting. If Oliver and Ken paint the same house, they take 6 days to finish painting. If Mark and Carl paint the same house, they take 15 days to finish painting. How many days do Oliver and Carl take to paint the house if they work together?
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