4538

Consumer expenditure

The consumer expenditure for a commodity is the product of its market price, p, and the number of units demanded. Suppose that for a certain commodity, the consumer expenditure is given by

 /></p><p>(a) Factor this in order to find an expression for the number of units demanded.</p><p>(b) Use (a) to find the number of units demanded when the market price is $38.</p> 
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