Question
Xandra and Ian have a bicycle race. Xandra cycles at a speed of 20 km/h. Ian cycles at a speed of 23 km/h. If Ian lets Xandra start 45 min before him, how long will Ian take to catch up with Xandra?
3 m

Click button first when a symbol is required. X

Xandra and Ian have a bicycle race. Xandra cycles at a speed of 20 km/h. Ian cycles at a speed of 23 km/h. If Ian lets Xandra start 45 min before him, how long will Ian take to catch up with Xandra?