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

24 May 2024, 04:55 PM

If Sam and Elijah paint a house, they take 40 days to finish painting. If Justin and Sam paint the same house, they take 8 days to finish painting. If Elijah and Zane paint the same house, they take 10 days to finish painting. How many days do Justin and Zane take to paint the house if they work together?
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