A shower wall has 128 square feet of tile and uses 12 percent waste. How many square feet should be ordered?
Correct Answer
A) 143.36 square feet.
The order quantity is 128 x 1.12 = 143.36 square feet.
Why This Is the Correct Answer
The order quantity is 128 x 1.12 = 143.36 square feet.
Why the Other Options Are Wrong
Option B: 134.40 square feet total.
134.40 square feet total. is below the supported result for tile quantity calculation; it likely omits allowance, conversion, coverage, or final round-up.
Option C: 150.00 square feet total.
150.00 square feet total. is above the supported result for tile quantity calculation; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Option D: 156.16 square feet total.
156.16 square feet total. is above the supported result for tile quantity calculation; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Memory Technique
Tile Quantity cart for Ordering Shower: cslb first, general second, whole feet last.
Reference Hint
Study anchor (closed-book): memorize Tile quantity calculation from CSLB B General Building Study Guide; California Building Code, Title. / CSLB B General Building Study Guide tile estimating; know the rule or calculation trigger without relying on exam-room lookup.
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