Question
Hilda and Henry have a bicycle race. Hilda cycles at a speed of 15 km/h. Henry cycles at a speed of 18 km/h. If Henry lets Hilda start 36 min before him, how long will Henry take to catch up with Hilda?
3 m

Click button first when a symbol is required. X

Hilda and Henry have a bicycle race. Hilda cycles at a speed of 15 km/h. Henry cycles at a speed of 18 km/h. If Henry lets Hilda start 36 min before him, how long will Henry take to catch up with Hilda?