Question
P5.ST.JC.18121186-A1
Alan and Bobby builds a toy car in 9 hours.
Bobby and Colin builds a toy car in 3 hours.
Colin and Alan builds a toy car in 5 hours.
How long does it take for Alan, Bobby and Colin to build a toy car together?
3 m
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Primary 5 STRATEGIES P5.ST.JC.18121186

18 Jun 2024, 02:36 AM

Alan and Bobby builds a toy car in 9 hours.
Bobby and Colin builds a toy car in 3 hours.
Colin and Alan builds a toy car in 5 hours.
How long does it take for Alan, Bobby and Colin to build a toy car together?
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