Question
P5.ST.JC.18121186-A1
Alan and Brendon builds a toy car in 8 hours.
Brendon and Chung builds a toy car in 4 hours.
Chung and Alan builds a toy car in 2 hours.
How long does it take for Alan, Brendon and Chung to build a toy car together?
3 m
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Primary 5 STRATEGIES P5.ST.JC.18121186

17 Jun 2024, 03:42 AM

Alan and Brendon builds a toy car in 8 hours.
Brendon and Chung builds a toy car in 4 hours.
Chung and Alan builds a toy car in 2 hours.
How long does it take for Alan, Brendon and Chung to build a toy car together?
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