Use the following to answer question: 
-(Table: Willingness to Pay for Basketball Sneakers) The table Willingness to Pay for Basketball Sneakers shows each player's willingness to pay for basketball sneakers.Assume that each player wants to buy at most,one pair of sneakers.If the price of basketball sneakers is $130,how many pairs will be purchased?
Definitions:
Salt Build-Up
The accumulation of soluble salts in soil, often as a result of irrigation in arid and semi-arid regions.
Agriculturally Unproductive Land
Land that lacks the capability to produce agricultural crops or support livestock, often due to soil infertility, poor climate conditions, or unfavorable topography.
Destructive Negative Feedback Cycle
A process where a negative feedback loop results in detrimental effects, often exacerbating the problems it seeks to mitigate.
Soil Erosion
The process by which topsoil is removed from the ground, often due to water, wind, or agricultural activities, leading to reduced soil fertility and increased environmental degradation.
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