3 ms·
I thought the OP was alluding to the slight ambiguity because 1 appears twice in the Fibonacci sequence. You could interpret the approach two ways and do either
by jonp 17y ago
I thought the OP was alluding to the slight ambiguity because 1 appears twice in the Fibonacci sequence. You could interpret the approach two ways and do either 21 + 8 + 2 = 31 km or 21 + 8 + 1 = 30 km. Happily these span the correct answer of 30.55km.
- gjm11 17y agoIn this situation I tend to pretend that 1 -> 1.5. (Or, indeed, 1.6, but generally that looks like claiming more accuracy than is really justified.)