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GRE Prep Club Team Member
Joined: 20 Feb 2017
Posts: 2509
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GPA: 3.39
A certain rectangular wall is 12 feet high and 8 feet long. It will be
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25 Nov 2021, 04:02
25 Nov 2021, 04:02
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66% (02:20) correct
33% (02:37) wrong based on 6 sessions
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A certain rectangular wall is 12 feet high and 8 feet long. It will be tiled with nonoverlapping square tiles that have sides of length 16 inches. The entire wall will be covered with tile and no tiles will be cut. Each tile consists of 16 smaller squares, each with sides of length 4 inches in the pattern shown in the diagram above. How many small blue squares will be on the wall? (1ft = 12 in)
a. 24
b. 216
c. 288
d. 864
e. 1,152
Re: A certain rectangular wall is 12 feet high and 8 feet long. It will be
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26 Nov 2021, 06:09
26 Nov 2021, 06:09
Expert Reply
Area of the rectangular wall = 12 * 8 = 96 sq.ft = 96 * 12 * 12 sq.inches
Area of each tile = 16 * 16 sq.inches
Number of tiles = (96 * 12 * 12)/(16 * 16) = 54
Each tile has 4 blue squares --> Number of blue squares = 54 * 4 = 216
Answer: B
Area of each tile = 16 * 16 sq.inches
Number of tiles = (96 * 12 * 12)/(16 * 16) = 54
Each tile has 4 blue squares --> Number of blue squares = 54 * 4 = 216
Answer: B
gmatclubot
Re: A certain rectangular wall is 12 feet high and 8 feet long. It will be [#permalink]
26 Nov 2021, 06:09
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