Thursday, September 29, 2011

Thurs Sept 29

Homework:
  • p. 298 #19-24, 26
  • p. 310 #11-18

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Convenience Store
Mario went to a convenience store and selected a package of chocolate bars for $3.16 (tax-free). He then added three other tax-free items to his basket. Mario calculated the total of all four items to be $7.11. The clerk used a calculator to determine the total to be $7.11 also. Later, when Mario checked the receipt, he noticed that the clerk had multiplied, rather than added, the four prices. What were the four prices?

2 comments:

  1. Did you get the top people yet?

    ReplyDelete
  2. I think I was the first to finish this question so I might get 1 extra point for the next math quiz

    ReplyDelete