A painting crew can cover 2,000 square feet per day at $0.85 per square foot. For a building with 25,000 square feet of wall area, what is the total estimated painting cost?
Correct Answer
B) $21,250
Total painting cost: 25,000 square feet × $0.85 per square foot = $21,250. The daily coverage rate determines duration but not the total cost calculation.
Why This Is the Correct Answer
The total painting cost is calculated by multiplying the total square footage by the cost per square foot. This is a straightforward unit cost calculation: 25,000 sq ft × $0.85/sq ft = $21,250. The daily production rate of 2,000 sq ft per day is irrelevant to the total cost calculation - it only affects the project duration, not the total expense.
Why the Other Options Are Wrong
Option A: $18,750
This answer ($18,750) appears to be calculated using an incorrect rate of $0.75 per square foot instead of the given $0.85 per square foot
Option C: $23,800
This answer ($23,800) seems to incorporate an inflated rate or additional factors not specified in the problem
Option D: $25,000
This answer ($25,000) represents $1.00 per square foot, which is higher than the given rate of $0.85 per square foot
Memory Technique
Remember 'TURF' - Total Units × Rate = Final cost. Ignore extra information that doesn't affect the basic unit cost calculation.
Reference Hint
Look up estimating and cost calculation methods in Chapter 9 (Project Management) or the estimating section of your contractor reference manual
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