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Posted by on Sep 12, 2012 in Thinking Skills |

Critical Thinking Skills: Example 4

In order to win a free visit to the dentist, students had to guess the exact number of gumballs in a fish bowl.The students guessed 45,41, 55, 50, and 43, but no one won.

The guesses were off by 3, 7, 5, 7, and 2 (in no given order). From this information, determine the number of gumballs in the bowl.

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Gumballs