Question
Joelle and Oscar started biking at 9.50 a.m. along 12-km trail. Joelle took 30 minutes to reach the finishing point. Oscar’s speed was 15 km/h slower than Joelle’s. At what time did Oscar reach the finishing point?
3 m

Click button first when a symbol is required. X

Joelle and Oscar started biking at 9.50 a.m. along 12-km trail. Joelle took 30 minutes to reach the finishing point. Oscar’s speed was 15 km/h slower than Joelle’s. At what time did Oscar reach the finishing point?