Question
Vanessa and Luis have a bicycle race. Vanessa cycles at a speed of 16 km/h. Luis cycles at a speed of 24 km/h. If Luis lets Vanessa start 30 min before him, how long will Luis take to catch up with Vanessa?
3 m

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Vanessa and Luis have a bicycle race. Vanessa cycles at a speed of 16 km/h. Luis cycles at a speed of 24 km/h. If Luis lets Vanessa start 30 min before him, how long will Luis take to catch up with Vanessa?