• 2021-04-14
    Zoe sells 200 glasses of lemonade at $0.50 each. Her total costs are $25. Her profits are
  • $75

    内容

    • 0

      10.The mother complained that her daughter should not have bought such an expensive car; it costs the equ__of her whole year’s salary.

    • 1

      A student spends all of her income on pizza and books. When pizzas cost $3 each and books cost $10 each, she consumed 30 pizzas and 3 books per month. The price of pizzas fell to $2.90 each while the price of books rose to $11 each. The price change:

    • 2

      After searching for half an hour, she realized that her glasses ______ on the table all the time.

    • 3

      As long as two people have different opportunity costs, each can gain from trade by being able to obtain a good at a price lower than his or her opportunity cost.

    • 4

      It was not ________ she took off her dark glasses ________ I realized she was a famous film star.