Question
P5.ST.JC.18121186-A1
Alistair and Brent builds a toy car in 6 hours.
Brent and Calvin builds a toy car in 9 hours.
Calvin and Alistair builds a toy car in 3 hours.
How long does it take for Alistair, Brent and Calvin to build a toy car together?
3 m
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Primary 5 STRATEGIES P5.ST.JC.18121186

16 Jun 2024, 07:28 AM

Alistair and Brent builds a toy car in 6 hours.
Brent and Calvin builds a toy car in 9 hours.
Calvin and Alistair builds a toy car in 3 hours.
How long does it take for Alistair, Brent and Calvin to build a toy car together?
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