Question
Gillian and Zane have a bicycle race. Gillian cycles at a speed of 20 km/h. Zane cycles at a speed of 25 km/h. If Zane lets Gillian start 45 min before him, how long will Zane take to catch up with Gillian?
3 m

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Gillian and Zane have a bicycle race. Gillian cycles at a speed of 20 km/h. Zane cycles at a speed of 25 km/h. If Zane lets Gillian start 45 min before him, how long will Zane take to catch up with Gillian?