I'm a bit stuck with this puzzle (image)
8,5=100
10,4=80
16,2=?
I've tried 40,52,62,68 but no luck.
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1 Answer
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1
My suggestion would be
32
Following the rule
$a,b = \frac{ab^2}{2}$
Although bear in mind
Because we only have two previous equations there may be many valid answers that work.
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$\begingroup$ Brilliant! I'll accept this answer in 10 minutes. Many thanks! $\endgroup$ Commented Jul 3, 2023 at 14:28