Thursday
April 24, 2014

Homework Help: Math

Posted by Lisa on Tuesday, March 4, 2008 at 9:45am.

Information from a survey on 175 persons about the goods, services and prices of a supermarket is as follows:
110 persons complained about the prices
67 persons complained about the services
55 persons complained about the goods
20 persons complained about goods and prices only
11 persons complained about services and prices only
16 persons complained about goods and services only
2 persons had no complaints
x persons complained about all three

(i) Draw a Venn Diagram to represent the information from the survey
Calculate the value of x

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