3. (a) In a class of 55 freshman, 38 are studying C++ and 24 are studying Java. How many students are studying both programming languages? (b) In a class of 55 freshman, every student is taking at least one programming language. 27 of them are studying C++, 32 of them are studying Java, and 29 are studying Python. 17 are studying Python and C++, 12 are studying Python and Java, and 15 are studying Java and C++. How many students are studying all three languages?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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3. (a) In a class of 55 freshman, 38 are studying C++ and 24 are studying Java. How many students are
studying both programming languages?
(b) In a class of 55 freshman, every student is taking at least one programming language. 27 of them
are studying C++, 32 of them are studying Java, and 29 are studying Python. 17 are studying
Python and C++, 12 are studying Python and Java, and 15 are studying Java and C++. How
many students are studying all three languages?
Transcribed Image Text:3. (a) In a class of 55 freshman, 38 are studying C++ and 24 are studying Java. How many students are studying both programming languages? (b) In a class of 55 freshman, every student is taking at least one programming language. 27 of them are studying C++, 32 of them are studying Java, and 29 are studying Python. 17 are studying Python and C++, 12 are studying Python and Java, and 15 are studying Java and C++. How many students are studying all three languages?
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