Answered: neither an iPhone nor an iPad. Twenty…

neither an iPhone nor an iPad. Twenty percent use an iPhone, while thirty percent use an iPad. How many students in this class are using an iPhone or an iPad?

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter9: Sequences, Probability And Counting Theory

Section: Chapter Questions

Problem 32RE: In a group of 20 musicians, 12 play piano, 7 play trumpet, and 2 play both piano and trumpet. How...

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In a class of 80 students, sixty percent use neither an iPhone nor an iPad. Twenty percent use an
iPhone, while thirty percent use an iPad. How many students in this class are using an iPhone or
an iPad?

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