Source: Official Guide for the GMAT 12th Ed. Section 5.3 Problem Solving; #113

1

The front of a 6-foot-by-8-foot rectangular

The front of a 6-foot-by-8-foot rectangular door has brass rectangular trim, as indicated by the shading in the figure above. If the trim is uniformly 1 foot wide, what fraction of the door’s front surface is covered by the trim? 13/48, 5/12, 1/2, 7/12, 5/8

1 Explanation

1

Gravatar Mike McGarry, Magoosh Tutor

Nov 6, 2012 • Comment

Rafaqat Hussain

hows area 4 calculated .how to get height 1 with 4

Oct 25, 2017 • Reply

Jonathan , Magoosh Tutor

Hi Rafaqat,
The trim is 1 food wide. So the three sections in the middle are each 1 foot wide/tall * (6 - 2) feet long.
1 * 4 = 4
Hope that clarifies! :)

Nov 6, 2017 • Reply

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Section 5.3 Problem Solving

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