Question
Yen and Zeph started biking at 9.50 a.m. along 8-km trail. Yen took 30 minutes to reach the finishing point. Zeph’s speed was 10 km/h slower than Yen’s. At what time did Zeph reach the finishing point?
3 m

Click button first when a symbol is required. X

Yen and Zeph started biking at 9.50 a.m. along 8-km trail. Yen took 30 minutes to reach the finishing point. Zeph’s speed was 10 km/h slower than Yen’s. At what time did Zeph reach the finishing point?