The following table provides the prices of the tickets for three types of water rides at an amusement park. 
a. Compute the unweighted aggregate price index for 2010, using 2009 as the base year.
B) Compute the unweighted aggregate price index for 2011, using 2010 as the base year.
Definitions:
Environment
The sum of all external conditions and influences affecting the life and development of an organism or group of organisms.
Intellectual Abilities
Cognitive capacities that include reasoning, problem-solving, planning, abstract thinking, complex idea comprehension, and learning from experience.
Biological Siblings
Individuals who share the same biological parents, fully related by blood through their mother and father.
Gene-environment Correlation
The concept that an individual's genes influence the environments to which they are exposed, thereby affecting their behavioral traits and health.
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