It is believed that the sales volume of one-liter Pepsi bottles depends on the price of the bottle and the price of a one-liter bottle of Coca-Cola.The following data have been collected for a certain sales region. 
Using Excel's regression,the linear model Pepsi Sales = β0 + β1Pepsi Price + β2Cola Price + ε and the log-log model ln(Pepsi Sales)= β0 + β1ln(Pepsi Price)+ β2ln(Cola Price)+ ε have been estimated as follows: 
What is the percentage of variations in the sales of Pepsi as explained by the estimated linear model?
Definitions:
Lower-Level Consciousness
A state of consciousness with reduced awareness and attention, such as during sleep or a daydream.
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Refers to an advanced state of awareness, where one is fully engaged and mindful of their thoughts, feelings, and surroundings.
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The efficiency and effectiveness of a person's ability to store, retain, and recall information over time.
Long-Term Memory
The phase of memory responsible for the storage of information over an extended period, potentially a lifetime.
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