Question
Sabrina and Ivan have a bicycle race. Sabrina cycles at a speed of 18 km/h. Ivan cycles at a speed of 24 km/h. If Ivan lets Sabrina start 40 min before him, how long will Ivan take to catch up with Sabrina?
3 m

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Sabrina and Ivan have a bicycle race. Sabrina cycles at a speed of 18 km/h. Ivan cycles at a speed of 24 km/h. If Ivan lets Sabrina start 40 min before him, how long will Ivan take to catch up with Sabrina?