Chapter 8 Integers
Convenience Store
Marlon went to a convenience store and selected a package of granola bars for $3.16. He then added three other tax-free items to his basket. The total of all four items was $7.11. The clerk used a calculator to determine the total to be $7.11 also. Later, when Marlon checked the receipt, he noticed that the clerk had multiplied, rather than added, the four prices. What were the four prices?
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Note: Brain teasers are often open to more than one interpretation, and multiple answers may be possible. Sample solutions are shown. |