Question
Aqil builds a toy car in 4 hours.
Bernard builds a toy car in 20 hours.
If they work together,
how long does it take to build a toy car?
(Give the answer in fraction. Eg 113 h)
3 m

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Aqil builds a toy car in 4 hours.
Bernard builds a toy car in 20 hours.
If they work together,
how long does it take to build a toy car?
(Give the answer in fraction. Eg 113 h)