Question
P6.SP.JC.19010101-A1
If Howard and Paul paint a house, they take 40 days to finish painting. If Billy and Howard paint the same house, they take 10 days to finish painting. If Paul and Dylan paint the same house, they take 20 days to finish painting. How many days do Billy and Dylan take to paint the house if they work together?
4 m
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Primary 6 SPEED P6.SP.JC.19010101

30 Jun 2024, 11:03 PM

If Howard and Paul paint a house, they take 40 days to finish painting. If Billy and Howard paint the same house, they take 10 days to finish painting. If Paul and Dylan paint the same house, they take 20 days to finish painting. How many days do Billy and Dylan take to paint the house if they work together?
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