February 25, 2017

Homework Help: Calculus Check

Posted by Matt on Thursday, October 25, 2007 at 8:46pm.

A survey of one thousand people found that 70% of the people have a
CD player, 85% have a telephone, and 45.2% have a computer. At
least how many people have all three objects?

Is the answer 258, because that's what I keep getting?

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