When a certain product was sold at $15 per unit, sales were 2000 units each week. When the price was increased by $3 the number of units sold decreased to 1800 units per week. Assume that the demand function is linear. a) Determine the demand function. Find the elasticity of demand at the new price. Is demand elastic or inelastic at this new price?

I need all the all the steps like how you got Q=2000-100P and new price -1?

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The demand function can be expressed as a linear equation in the form of QabP where Q is the number ... View the full answer