standard_description: Solve real-world and mathematical problems involving the four operations with rational numbers. (Computations with rational numbers extend the rules for manipulating fractions to complex fractions.)
problem_activity: Task
The figure below gives the depth of the water at Montauk
Point, New York, for a day in November.
[IMG]
How many high tides took place on this day?
How many low tides took place on this day?
How much time elapsed in between high tides?


aligns: no