How many employees can only run one of the three machines? A survey - ProProfs Discuss
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How many employees can only run one of the three machines?



A survey of a machine shop reveals the following information about its 100 employees:48 can run a lathe49 can run the milling machine56 can operate a punch press26 can run a lathe and a milling machine19 can run a milling machine and a punch press24 can run a lathe and punch press9 can run all three machines.


This question is part of Combinations Quiz 1
Asked by Ddeuitch, Last updated: Jul 03, 2020

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ddeuitch

Ddeuitch

Answered Apr 05, 2018

42

Section A can only run the lathe, Section B can only run the milling machine and Section C can only run the punch press. A + B + C = the employees who can run only one of the three machines.
 

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