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Source: Official Guide Revised GRE 1st Ed. Part 6; Set 2; #11


The figure above represents a rectangular garden

The figure above represents a rectangular garden with a walkway around it. The garden is 18 feet long and 12 feet wide. The walkway is uniformly 3 feet wide, and its edges meet at right angles. What is the area of the walkway?

2 Explanations


Uttara Agarwal

Hi - I don't understand why we added 3 twice to each 12 and 18. Thanks.

Sep 3, 2017 • Comment

Jonathan , Magoosh Tutor

Hi Uttara,
The garden is 12 x 18 but the walkway is 3 feet wide and goes all the way around. So the walkway adds 3 on both sides of each dimension, right? Please refer to the diagram in the video as well. I hope that helps.

Sep 4, 2017 • Reply


Chris Lele

Oct 7, 2012 • Comment

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