CPM Homework Banner

Home > CCA2 > Chapter 3 > Lesson 3.2.5 > Problem 3-123


Phana’s garden is 2 meters wide and 5 meters long. She puts a walkway of uniform width around her garden. If the area of the walkway is 30 square meters, what are the outer dimensions of the walkway? Drawing a diagram will help you solve this problem. Homework Help ✎

Draw a diagram.

Find the total area of the outside rectangle by adding
the area of the inside rectangle to the area of the walkway.

If x meters of walkway was added to each side, write an
expression for each side of the outside rectangle.

Now write an equation of the form (length)(width) = area and solve for .
Make sure you remember to answer the original question.