Planning & EstimatingCâu 597 / 700
A suspended acoustical ceiling covers a room 20 ft by 24 ft using 2 ft by 4 ft lay-in tiles. Ignoring waste, how many tiles are required?
a.60 tiles
b.120 tiles
c.480 tiles
d.30 tiles
Giải thích
Room area = 20 x 24 = 480 sq ft. Each 2x4 tile covers 8 sq ft. 480 / 8 = 60 tiles (a). Option (b) uses a 2x2 tile (4 sq ft). Option (c) leaves the answer in square feet. Option (d) uses a tile twice the correct size.
Luyện miễn phí toàn bộ 700 câu hỏi — không cần đăng ký.
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