Solved: A marketing report concerning personal computers
Chapter 7, Problem 7.5.4(choose chapter or problem)
A marketing report concerning personal computers states that 650,000 owners will buy a modem for their machines next year and 1,250,000 will buy at least one software package. If the report states that 1,450,000 owners will buy either a modem or at least one software package, how many will buy both a modem and at least one software package?
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