Finish TradesCâu 230 / 700
A tile order calls for covering a floor of 240 square feet. The chosen tile comes in boxes that each cover 11 square feet. Adding about 10% for cuts and waste, how many full boxes should be ordered?
a.24 boxes
b.22 boxes
c.20 boxes
d.30 boxes
Giải thích
240 sq ft plus 10% waste is 264 sq ft. Dividing by 11 sq ft per box gives 24 boxes exactly. Twenty-two boxes covers only the bare area with no waste allowance, 20 is short, and 30 is far more than needed.
Luyện miễn phí toàn bộ 700 câu hỏi — không cần đăng ký.
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