Expert Opinion
AINsight: The Fuzzy Math of Preowned Business Jet Values
Some seven-year-old jets have not depreciated at all
Elevate Jet Challenger business jet
© Elevate Jet

Thirteen times seven is not 28, no matter how you try to calculate it. Remember the old Abbott and Costello bit where Lou proves to Bud through addition, multiplication, and division that 13 times seven is 28? If you haven’t, here is a refresher.

His warped math did not add up (pardon the pun), but Lou was able to prove every which way that 13 times seven really is 28. Those guys were good!

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Joseph Carfagna Jr.
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About the author

Joseph Carfagna Jr. is president, partner, and CEO of aircraft brokerage and consultancy Leading Edge Aviation Solutions. He has worked in the business aviation industry for more than 30 years and is a seasoned salesman and aviation expert.

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