RPM Question


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Tide

-10123timenoonmidnightheight of tide5.30 a.m.-0.6 ft11 a.m.2.4 ft7 p.m.-0.3 ftTides at Henlopen Park on July 8
The graph above shows the height of the tide, in feet, above or below a baseline. Which of the following is closest to the difference, in feet, between the heights of the highest and lowest tides on July 8 at Henlopen Park?
A. 2.2
B. 3
C. 2.4
D. 2.7
E. 2.3