RPM Question


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Tide

-10123timenoonmidnightheight of tide4:30 a.m.-0.3 ft11:30 a.m.2.2 ft6 p.m.-0.6 ftTides at Virginia Beach on January 9
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 January 9 at Virginia Beach?
A. 3.1
B. 2.3
C. 2.5
D. 2.9
E. 2.8