Question
Gillian and Japheth have a bicycle race. Gillian cycles at a speed of 20 km/h. Japheth cycles at a speed of 24 km/h. If Japheth lets Gillian start 48 min before him, how long will Japheth take to catch up with Gillian?
3 m

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Gillian and Japheth have a bicycle race. Gillian cycles at a speed of 20 km/h. Japheth cycles at a speed of 24 km/h. If Japheth lets Gillian start 48 min before him, how long will Japheth take to catch up with Gillian?