A gypsum board scope requires 180 sheets before waste. With 7 percent waste, how many sheets should be carried?
Correct Answer
B) 193 sheets
Sheets with waste are 180 x 1.07 = 192.6, rounded up to 193 sheets.
Why This Is the Correct Answer
Sheets with waste are 180 x 1.07 = 192.6, rounded up to 193 sheets.
Why the Other Options Are Wrong
Option A: 187 sheets
gypsum sheet waste, choice a: 187 sheets implies about 3.89% waste on 180.
Option C: 200 sheets
gypsum sheet waste, choice c: 200 sheets is wrong because 200 sheets implies about 11.11% waste on 180.
Option D: 207 sheets
gypsum sheet waste, choice d: 207 sheets implies about 15% waste on 180.
Memory Technique
Say the gypsum sheet waste rule aloud as a chain; the chain ends at 193 sheets, not an intermediate stop.
Reference Hint
Open Gypsum Construction Handbook, 7th Ed., 2014; use the index entry or section for "Gypsum Construction Handbook - board types / layout / quantity" to confirm that Sheets with waste are 180 x 1.07 = 192.6, rounded up to 193 sheets.
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