Question
Natalie and Ken have a bicycle race. Natalie cycles at a speed of 18 km/h. Ken cycles at a speed of 21 km/h. If Ken lets Natalie start 50 min before him, how long will Ken take to catch up with Natalie?
3 m

Click button first when a symbol is required. X

Natalie and Ken have a bicycle race. Natalie cycles at a speed of 18 km/h. Ken cycles at a speed of 21 km/h. If Ken lets Natalie start 50 min before him, how long will Ken take to catch up with Natalie?