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# practice01 - 2011.03.07 A A family on a trip budgets for...

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% ¨ ±² ± D ı T ² (±²) ³±²±.±´.±µ( l ) ü > J ± " T ² , ± s " J, 6~_ ¿ ³y>´ ~ U µ ˝ ³ µ¶– ± ˚ ² ³ ´l ± ´ ‹, j ´ l ± ² ˇ ± (¶µ%): ± ± ³¸ , ´ s z p , ·².8 L ². A family on a trip budgets ·µ±± for meals and hotel accommodations. Suppose the price of a meal is ·¶±. In addition, suppose the family could a¸ord a total of µ nights in a hotel if they don’t buy any meals. How many meals could the family a¸ord if they gave up two nights in the hotel? (a) ² (b) ³ (c) ¹ (d) µ ³. Mark spends his weekly income on gin and cocktail olives. ºe price of gin has risen from ·» to ·¼ per bottle, the price of cocktail olives has fallen from ·½ to ·¹ per jar, and Mark’s income has stayed ¾xed at ·¶½ per week. Since the price changes, Mark has been buying ¶ bottles of gin and ³ jars of cocktail olives per week. Mark prefers (a) the original consumption bundle.

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