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A contractor digs a rectangular hole that is 40 feet long and 10.5 feet deep. If the contractor digs the hole 2 feet deeper, how much additional dirt will he remove
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Mar 12, 2017
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A contractor digs a rectangular hole that is 40 feet long and 10.5 feet deep. If the contractor digs the hole 2 feet deeper, how much additional dirt will he remove
Mathematics
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Johann Chang
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2 feet is the hight/depth
volume=legnth times wdth times height
if he digs 2 feet more, he will dig 2 height
assuming the hole is the same width and legtn
volume of dirt taken out mre=40*10.5*2=840 ft^2
Allen Rice
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Mar 16, 2017
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