Two manholes are 200′ apart. Manhole A is at an elevation of 18.5′. Manhole B is at an elevation of 19.0′. The slope between Manhole A and B is?

Two manholes are 200′ apart. Manhole A is at an elevation of 18.5′. Manhole B is at an elevation of 19.0′. The slope between Manhole A and B is?

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