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Back to 1.4 Set Operations with Two Sets

1.4 Exercise 19

Avg difficulty 2.5

Don Woods is serving cake and ice cream at his Juneteenth celebration. The party has a total of 54 guests in attendance. Suppose 30 guests requested cake, 20 guests asked for ice cream, and 12 guests did not have either cake or ice cream.

  1. How many guests had cake or ice cream?
  2. How many guests had cake and ice cream?

OpenStax Contemporary Mathematics, 1.4 Set Operations with Two Sets, exercise 19

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Adapted from Contemporary Mathematics © 2023 Rice University. Licensed under CC BY 4.0. Source: Contemporary Mathematics. Imported at revision fa7c1a1.