February 28, 2017

Homework Help: Calculus Help?

Posted by Matt on Tuesday, October 23, 2007 at 5:30pm.

I have no idea where to start?

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?

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