Coffee drinkers were asked what they added to their coffee in a study conducted by college students. 70 respondents said cream, 65 answered sugar, 25 chose both and 10 did not choose either of the two. How many (a) were the respondents of the study? (b) answered sugar only? (c) said cream only? (d) either chose cream or sugar? (e) neither chose cream nor sugar?

Coffee drinkers were asked what they added to their coffee in a study conducted by college students. 70 respondents said cream, 65 answered sugar, 25 chose both and 10 did not choose either of the two. How many (a) were the respondents of the study? (b) answered sugar only? (c) said cream only? (d) either chose cream or sugar? (e) neither chose cream nor sugar?

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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