Problem 938

Daily Math Challenge - May 31, 2023



Imagine that a new mathematical operation has been implemented by the scientific community.  The new operational symbol is ~.  Given that

1 ~ 1 = 1
2 ~ 5 = 16
4 ~ 3 = 10
5 ~ 7 = 39
3 ~ 7 = 29

Find the value of  19 & 5.

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