Problem:
Tamara has three rows of two -feet by -feet flower beds in her garden. The beds are separated and also surrounded by -foot-wide walkways, as shown on the diagram. What is the total area of the walkways, in square feet?
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Solution:
The area of the garden is square feet, and the combined area of the six flower beds is square feet. Therefore the area of the walkways is square feet.
The problems on this page are the property of the MAA's American Mathematics Competitions