Question
P6.SP.JC.19010101-A1
If Justin and Bobby paint a house, they take 30 days to finish painting. If Howard and Justin paint the same house, they take 3 days to finish painting. If Bobby and Ryan paint the same house, they take 10 days to finish painting. How many days do Howard 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 Jun 2024, 07:39 PM

If Justin and Bobby paint a house, they take 30 days to finish painting. If Howard and Justin paint the same house, they take 3 days to finish painting. If Bobby and Ryan paint the same house, they take 10 days to finish painting. How many days do Howard and Ryan take to paint the house if they work together?
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