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.

The ratio of the length to the width of Rectangle A is 13:7. The ratio of the perimeter of Rectangle A to the perimeter of Rectangle B is 4:7. If the length of Rectangle A is 30 cm longer than its width, what is the perimeter of Rectangle B in cm?