During the material-order review at the airport rental-car counter, the patching mortar requires 6.7 CY of spall repair volume. If each bag yields 0.38 CY, how many bags are needed?
Correct Answer
A) 18 bags
Bag count equals required volume divided by bag yield, rounded up.
Why This Is the Correct Answer
Bag count equals required volume divided by bag yield, rounded up.
Why the Other Options Are Wrong
Option B: 3 bags
3 bags is below the supported result for patching mortar; it likely omits allowance, conversion, coverage, or final round-up.
Option C: 20 bags
20 bags is above the supported result for patching mortar; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Option D: 19 bags
19 bags is above the supported result for patching mortar; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Memory Technique
Patching Mortar cart for Foreman Checks: bag first, count second, whole units last.
Reference Hint
Open-book path: tab Principles and Practices of Commercial Construction, 10th Edition to Concrete repair; patch material yield; verify the construction method, material quantity, equipment use, unit conversion, or field-control calculation.
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