Create a free account!

When you create an account, we'll save your progress. Plus, you'll have access to some cool tools, like reports, assignments, gradebook, and awards.

Barbie and Woody go from school to a swimming pool, starting at the same time. Barbie walks at 70 meters per minute and Woody cycles 3 times as fast as Barbie walks. 9 minutes later, Woody arrives. How many minutes earlier than Barbie does Woody arrive?