Planning & EstimatingCâu 598 / 700
An attic floor is 1,500 square feet and will receive blown-in insulation. If each bag covers 50 sq ft at the target R-value, how many bags are needed?
a.15 bags
b.30 bags
c.75 bags
d.1,500 bags
Giải thích
Bags = area / coverage = 1,500 / 50 = 30 bags (b). Option (a) mistakenly uses 100 sq ft per bag. Option (c) uses 20 sq ft per bag. Option (d) confuses square feet with bags.
Luyện miễn phí toàn bộ 700 câu hỏi — không cần đăng ký.
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