Question
P5.ST.JC.18121186-A1
Alfred and Beck builds a toy car in 6 hours.
Beck and Calvin builds a toy car in 2 hours.
Calvin and Alfred builds a toy car in 10 hours.
How long does it take for Alfred, Beck and Calvin to build a toy car together?
3 m
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Primary 5 STRATEGIES P5.ST.JC.18121186

20 May 2024, 08:02 AM

Alfred and Beck builds a toy car in 6 hours.
Beck and Calvin builds a toy car in 2 hours.
Calvin and Alfred builds a toy car in 10 hours.
How long does it take for Alfred, Beck and Calvin to build a toy car together?
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