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A group of store managers must assemble 280 displays for an upcoming sale. If they assemble 25 percent of the displays during the first hour and 40 percent of the displays during the second hour, how many of the displays will not have been assembled by the end of the second hour?
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Percentage of displays assembled by the end of second hour      =     25 + 40     =     65%

Percentage of displays not assembled by the end of second hour     =     100 - 65     =     35%

Number of displays not assembled by the end of second hour     =     35% of 280     = 0.35 x 280    =     98 displays
by Diamond (40,716 points)

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