In a survey of employees at a fast food restaurant, it was determined that 16 cooked food, 13 washed dishes, 25 operated the cash register, 7 cooked food and washed dishes, 9 cooked food and operated the cash register, 10 washed dishes and operated the cash register, 5 did all three jobs, and 6 did none of the jobs. How many employees were surveyed? How many only cooked food? How many only operated the cash register? How many washed dishes and operated the cash register but did not cook food? How many of the employees washed dishes or operated the cash register but did not cook food? How many of the employees did at least two of these jobs?
In a survey of employees at a fast food restaurant, it was determined that 16 cooked food, 13 washed dishes, 25 operated the cash register, 7 cooked food and washed dishes, 9 cooked food and operated the cash register, 10 washed dishes and operated the cash register, 5 did all three jobs, and 6 did none of the jobs. How many employees were surveyed? How many only cooked food? How many only operated the cash register? How many washed dishes and operated the cash register but did not cook food? How many of the employees washed dishes or operated the cash register but did not cook food? How many of the employees did at least two of these jobs?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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In a survey of employees at a fast food restaurant, it was determined that 16 cooked food, 13 washed dishes, 25 operated the cash register, 7 cooked food and washed dishes, 9 cooked food and operated the cash register, 10 washed dishes and operated the cash register, 5 did all three jobs, and 6 did none of the jobs.
How many employees were surveyed?
How many only cooked food?
How many only operated the cash register?
How many washed dishes and operated the cash register but did not cook food?
How many of the employees washed dishes or operated the cash register but did not cook food?
How many of the employees did at least two of these jobs?
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