Question
Wendy and Mark have a bicycle race. Wendy cycles at a speed of 16 km/h. Mark cycles at a speed of 18 km/h. If Mark lets Wendy start 30 min before him, how long will Mark take to catch up with Wendy?
3 m

Click button first when a symbol is required. X

Wendy and Mark have a bicycle race. Wendy cycles at a speed of 16 km/h. Mark cycles at a speed of 18 km/h. If Mark lets Wendy start 30 min before him, how long will Mark take to catch up with Wendy?