Acoustical ceiling tile area is 9,600 sf. Cartons cover 64 sf each and 6% waste is carried. How many cartons should be ordered?
Correct Answer
A) 159 cartons
Apply waste and divide by carton coverage.
Why This Is the Correct Answer
Apply waste and divide by carton coverage.
Why the Other Options Are Wrong
Option B: 150 cartons
150 cartons is below the supported result for ceiling tile cartons; it likely omits allowance, conversion, coverage, or final round-up.
Option C: 154 cartons
154 cartons is below the supported result for ceiling tile cartons; it likely omits allowance, conversion, coverage, or final round-up.
Option D: 170 cartons
170 cartons is above the supported result for ceiling tile cartons; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Memory Technique
Tenant Procurement takeoff: count the condition before counting the package.
Reference Hint
Open-book path: tab Principles and Practices of Commercial Construction, 11th Edition, 2024 to Interior finish estimating; acoustical tile cartons; verify quantity math, FL permit status, notice step, or field-control timing.
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