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| Math Central | Quandaries & Queries |
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Question from peter: a sewer ditches to be 148 feet long. the pipe is installed with a 2% grade. |
Hi Peter,
The fact that the pipe is installed with a 2% grade means that the drop is 2% of the length. The length is 148 feet so the drop is 2% of 148 feet or $0.02 \times 148 = 2.96$ feet.
Penny
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