Question
P5.ST.JC.18121186-A1
Andrew and Beck builds a toy car in 2 hours.
Beck and Charlie builds a toy car in 10 hours.
Charlie and Andrew builds a toy car in 4 hours.
How long does it take for Andrew, Beck and Charlie to build a toy car together?
3 m
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Primary 5 STRATEGIES P5.ST.JC.18121186

29 Jun 2024, 03:24 PM

Andrew and Beck builds a toy car in 2 hours.
Beck and Charlie builds a toy car in 10 hours.
Charlie and Andrew builds a toy car in 4 hours.
How long does it take for Andrew, Beck and Charlie to build a toy car together?
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