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Using the simple lumen method, calculate how many 2'x4' 3-lamp T-8 fluorescent luminaires will be required...

Using the simple lumen method, calculate how many 2'x4' 3-lamp T-8 fluorescent luminaires will be required to provide 55 footcandles in an office space that measures 50 feet by 60 feet. Lamp information: 32 watt T-8, 48 inches with a mean lumen output of 2,850. Calculate to two decimal places and round up to the nearest whole number. Be prepared to show your work on a separate sheet of paper.

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