A winter resort took a poll of its 350 visitors to see
Chapter 2, Problem 139(choose chapter or problem)
A winter resort took a poll of its 350 visitors to see which winter activities people enjoyed. The results were as follows: 178 people liked to ski, 154 people liked to snowboard, and 49 people liked to ski and snowboard. How many people in the poll liked to ski or snowboard?
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