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.

A worker needed to wash the windows of a building. She planned to wash 4 windows per hour for 9 hours. In fact, she 1.5 times as fast as she had planned. How many hours did the worker spend washing the windows?

hours

Correct!