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1. A cosmputer company wants to hire 25 programmers to handle systems programming jobs and 40 programmers for applications programming. Of those hired, ten will be expected to perform jobs of both types. How many programmers must be hired?

1. A cosmputer company wants to hire 25 programmers to handle systems programming jobs and 40 programmers for applications programming. Of those hired, ten will be expected to perform jobs of both types. How many programmers must be hired?

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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1. A cosmputer company wants to hire 25 programmers to handle systems programming jobs and 40 programmers for applications programming. Of those hired, ten will be expected to perform jobs of both| types. How many programmers must be hired? 2. In a survey of 260 college students, the following data were obtained: 64 had taken a mathematics course 94 had taken a computer science course 58 had taken a business course 28 had taken both mathematics and business course 26 had taken both mathematics and computer science course 22 had taken both computer science and a business course 14 had taken all three types of courses. a.) How many students were surveyed who had taken none of the three types of courses? b.) Of the student surveyed, how many had taken only a computer science course? 3. What is the power set of {a,b,c,d}
Transcribed Image Text:1. A cosmputer company wants to hire 25 programmers to handle systems programming jobs and 40 programmers for applications programming. Of those hired, ten will be expected to perform jobs of both| types. How many programmers must be hired? 2. In a survey of 260 college students, the following data were obtained: 64 had taken a mathematics course 94 had taken a computer science course 58 had taken a business course 28 had taken both mathematics and business course 26 had taken both mathematics and computer science course 22 had taken both computer science and a business course 14 had taken all three types of courses. a.) How many students were surveyed who had taken none of the three types of courses? b.) Of the student surveyed, how many had taken only a computer science course? 3. What is the power set of {a,b,c,d}
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