Grouping Problem
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A car dealership interviewed every driver who came onto their lot on Tuesday. This produced the following results: there were 61 people who owned trucks and 115 people who owned cars. If 14 people owned both a truck and a car and 8 people owned neither, how many people were interviewed?
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Hi,
Let set A be the truck owners and set B be the car owners.
We first get the number ...
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