dragonrose780 dragonrose780

02-02-2020
Mathematics

contestada

Set A contains 17 elements, set B contains 20 elements, and 6 elements are common to sets A and B. How
many elements are in A or B?

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sqdancefan sqdancefan

02-02-2020

Answer:

31

Step-by-step explanation:

There are 17-6 = 11 elements in Set A that are not also in Set B. Those togeter with Set B comprise all of the elements of either set.

11 + 20 = 31 . . . elements in A or B

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