Question
P5.ST.JC.18121186-A1
Adam and Billy builds a toy car in 2 hours.
Billy and Chan builds a toy car in 10 hours.
Chan and Adam builds a toy car in 8 hours.
How long does it take for Adam, Billy and Chan to build a toy car together?
3 m
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Primary 5 STRATEGIES P5.ST.JC.18121186

28 Jun 2024, 07:11 PM

Adam and Billy builds a toy car in 2 hours.
Billy and Chan builds a toy car in 10 hours.
Chan and Adam builds a toy car in 8 hours.
How long does it take for Adam, Billy and Chan to build a toy car together?
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