Sunday, May 3, 2009

A group of 983 families was asked to fill out a survey below. The results showed that 384 families own none of

these items. In addition,481 families own at least two of these items, 345 families own at least three, and 264 own all four.


How many families had exactly one? Exactly two? Exactly three? How many pieces of equipment did all 983 families have all together?|||264 families own exactly 4 = 1056 pieces


81 families own exactly 3 = 243 pieces


136 familes own exactly 2 = 272 pieces


118 familes own exactly 1 = 118 pieces





1689 pieces of equiptment

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