A 72-linear-foot crown molding run needs 10 percent waste. How many linear feet should be ordered?
Correct Answer
A) 79.2 linear feet.
Ten percent of 72 is 7.2, so the order quantity is 79.2 linear feet.
Why This Is the Correct Answer
Ten percent of 72 is 7.2, so the order quantity is 79.2 linear feet.
Why the Other Options Are Wrong
Option B: 72.8 linear feet.
72.8 linear feet. is below the supported result for trim quantity calculation; it likely omits allowance, conversion, coverage, or final round-up.
Option C: 82.0 linear feet.
82.0 linear feet. is above the supported result for trim quantity calculation; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Option D: 86.4 linear feet.
86.4 linear feet. is above the supported result for trim quantity calculation; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Memory Technique
Measure to percent, adjust for cslb, then let Estimating Finish set the finish line.
Reference Hint
Study anchor (closed-book): memorize Trim quantity calculation from CSLB B General Building Study Guide; California Building Code, Title. / CSLB B General Building Study Guide trim estimating; know the rule or calculation trigger without relying on exam-room lookup.
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